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4171 clean up spa_feature_*() interfaces
4172 implement extensible_dataset feature for use by other zpool features
Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
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--- old/usr/src/cmd/zpool/zpool_main.c
+++ new/usr/src/cmd/zpool/zpool_main.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
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15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 24 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
25 - * Copyright (c) 2012 by Delphix. All rights reserved.
25 + * Copyright (c) 2013 by Delphix. All rights reserved.
26 26 * Copyright (c) 2012 by Frederik Wessels. All rights reserved.
27 27 * Copyright (c) 2013 by Prasad Joshi (sTec). All rights reserved.
28 28 */
29 29
30 30 #include <assert.h>
31 31 #include <ctype.h>
32 32 #include <dirent.h>
33 33 #include <errno.h>
34 34 #include <fcntl.h>
35 35 #include <libgen.h>
36 36 #include <libintl.h>
37 37 #include <libuutil.h>
38 38 #include <locale.h>
39 39 #include <stdio.h>
40 40 #include <stdlib.h>
41 41 #include <string.h>
42 42 #include <strings.h>
43 43 #include <unistd.h>
44 44 #include <priv.h>
45 45 #include <pwd.h>
46 46 #include <zone.h>
47 47 #include <zfs_prop.h>
48 48 #include <sys/fs/zfs.h>
49 49 #include <sys/stat.h>
50 50
51 51 #include <libzfs.h>
52 52
53 53 #include "zpool_util.h"
54 54 #include "zfs_comutil.h"
55 55 #include "zfeature_common.h"
56 56
57 57 #include "statcommon.h"
58 58
59 59 static int zpool_do_create(int, char **);
60 60 static int zpool_do_destroy(int, char **);
61 61
62 62 static int zpool_do_add(int, char **);
63 63 static int zpool_do_remove(int, char **);
64 64
65 65 static int zpool_do_list(int, char **);
66 66 static int zpool_do_iostat(int, char **);
67 67 static int zpool_do_status(int, char **);
68 68
69 69 static int zpool_do_online(int, char **);
70 70 static int zpool_do_offline(int, char **);
71 71 static int zpool_do_clear(int, char **);
72 72 static int zpool_do_reopen(int, char **);
73 73
74 74 static int zpool_do_reguid(int, char **);
75 75
76 76 static int zpool_do_attach(int, char **);
77 77 static int zpool_do_detach(int, char **);
78 78 static int zpool_do_replace(int, char **);
79 79 static int zpool_do_split(int, char **);
80 80
81 81 static int zpool_do_scrub(int, char **);
82 82
83 83 static int zpool_do_import(int, char **);
84 84 static int zpool_do_export(int, char **);
85 85
86 86 static int zpool_do_upgrade(int, char **);
87 87
88 88 static int zpool_do_history(int, char **);
89 89
90 90 static int zpool_do_get(int, char **);
91 91 static int zpool_do_set(int, char **);
92 92
93 93 /*
94 94 * These libumem hooks provide a reasonable set of defaults for the allocator's
95 95 * debugging facilities.
96 96 */
97 97
98 98 #ifdef DEBUG
99 99 const char *
100 100 _umem_debug_init(void)
101 101 {
102 102 return ("default,verbose"); /* $UMEM_DEBUG setting */
103 103 }
104 104
105 105 const char *
106 106 _umem_logging_init(void)
107 107 {
108 108 return ("fail,contents"); /* $UMEM_LOGGING setting */
109 109 }
110 110 #endif
111 111
112 112 typedef enum {
113 113 HELP_ADD,
114 114 HELP_ATTACH,
115 115 HELP_CLEAR,
116 116 HELP_CREATE,
117 117 HELP_DESTROY,
118 118 HELP_DETACH,
119 119 HELP_EXPORT,
120 120 HELP_HISTORY,
121 121 HELP_IMPORT,
122 122 HELP_IOSTAT,
123 123 HELP_LIST,
124 124 HELP_OFFLINE,
125 125 HELP_ONLINE,
126 126 HELP_REPLACE,
127 127 HELP_REMOVE,
128 128 HELP_SCRUB,
129 129 HELP_STATUS,
130 130 HELP_UPGRADE,
131 131 HELP_GET,
132 132 HELP_SET,
133 133 HELP_SPLIT,
134 134 HELP_REGUID,
135 135 HELP_REOPEN
136 136 } zpool_help_t;
137 137
138 138
139 139 typedef struct zpool_command {
140 140 const char *name;
141 141 int (*func)(int, char **);
142 142 zpool_help_t usage;
143 143 } zpool_command_t;
144 144
145 145 /*
146 146 * Master command table. Each ZFS command has a name, associated function, and
147 147 * usage message. The usage messages need to be internationalized, so we have
148 148 * to have a function to return the usage message based on a command index.
149 149 *
150 150 * These commands are organized according to how they are displayed in the usage
151 151 * message. An empty command (one with a NULL name) indicates an empty line in
152 152 * the generic usage message.
153 153 */
154 154 static zpool_command_t command_table[] = {
155 155 { "create", zpool_do_create, HELP_CREATE },
156 156 { "destroy", zpool_do_destroy, HELP_DESTROY },
157 157 { NULL },
158 158 { "add", zpool_do_add, HELP_ADD },
159 159 { "remove", zpool_do_remove, HELP_REMOVE },
160 160 { NULL },
161 161 { "list", zpool_do_list, HELP_LIST },
162 162 { "iostat", zpool_do_iostat, HELP_IOSTAT },
163 163 { "status", zpool_do_status, HELP_STATUS },
164 164 { NULL },
165 165 { "online", zpool_do_online, HELP_ONLINE },
166 166 { "offline", zpool_do_offline, HELP_OFFLINE },
167 167 { "clear", zpool_do_clear, HELP_CLEAR },
168 168 { "reopen", zpool_do_reopen, HELP_REOPEN },
169 169 { NULL },
170 170 { "attach", zpool_do_attach, HELP_ATTACH },
171 171 { "detach", zpool_do_detach, HELP_DETACH },
172 172 { "replace", zpool_do_replace, HELP_REPLACE },
173 173 { "split", zpool_do_split, HELP_SPLIT },
174 174 { NULL },
175 175 { "scrub", zpool_do_scrub, HELP_SCRUB },
176 176 { NULL },
177 177 { "import", zpool_do_import, HELP_IMPORT },
178 178 { "export", zpool_do_export, HELP_EXPORT },
179 179 { "upgrade", zpool_do_upgrade, HELP_UPGRADE },
180 180 { "reguid", zpool_do_reguid, HELP_REGUID },
181 181 { NULL },
182 182 { "history", zpool_do_history, HELP_HISTORY },
183 183 { "get", zpool_do_get, HELP_GET },
184 184 { "set", zpool_do_set, HELP_SET },
185 185 };
186 186
187 187 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
188 188
189 189 static zpool_command_t *current_command;
190 190 static char history_str[HIS_MAX_RECORD_LEN];
191 191 static boolean_t log_history = B_TRUE;
192 192 static uint_t timestamp_fmt = NODATE;
193 193
194 194 static const char *
195 195 get_usage(zpool_help_t idx) {
196 196 switch (idx) {
197 197 case HELP_ADD:
198 198 return (gettext("\tadd [-fn] <pool> <vdev> ...\n"));
199 199 case HELP_ATTACH:
200 200 return (gettext("\tattach [-f] <pool> <device> "
201 201 "<new-device>\n"));
202 202 case HELP_CLEAR:
203 203 return (gettext("\tclear [-nF] <pool> [device]\n"));
204 204 case HELP_CREATE:
205 205 return (gettext("\tcreate [-fnd] [-o property=value] ... \n"
206 206 "\t [-O file-system-property=value] ... \n"
207 207 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n"));
208 208 case HELP_DESTROY:
209 209 return (gettext("\tdestroy [-f] <pool>\n"));
210 210 case HELP_DETACH:
211 211 return (gettext("\tdetach <pool> <device>\n"));
212 212 case HELP_EXPORT:
213 213 return (gettext("\texport [-f] <pool> ...\n"));
214 214 case HELP_HISTORY:
215 215 return (gettext("\thistory [-il] [<pool>] ...\n"));
216 216 case HELP_IMPORT:
217 217 return (gettext("\timport [-d dir] [-D]\n"
218 218 "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n"
219 219 "\timport [-o mntopts] [-o property=value] ... \n"
220 220 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] "
221 221 "[-R root] [-F [-n]] -a\n"
222 222 "\timport [-o mntopts] [-o property=value] ... \n"
223 223 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] "
224 224 "[-R root] [-F [-n]]\n"
225 225 "\t <pool | id> [newpool]\n"));
226 226 case HELP_IOSTAT:
227 227 return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval "
228 228 "[count]]\n"));
229 229 case HELP_LIST:
230 230 return (gettext("\tlist [-H] [-o property[,...]] "
231 231 "[-T d|u] [pool] ... [interval [count]]\n"));
232 232 case HELP_OFFLINE:
233 233 return (gettext("\toffline [-t] <pool> <device> ...\n"));
234 234 case HELP_ONLINE:
235 235 return (gettext("\tonline <pool> <device> ...\n"));
236 236 case HELP_REPLACE:
237 237 return (gettext("\treplace [-f] <pool> <device> "
238 238 "[new-device]\n"));
239 239 case HELP_REMOVE:
240 240 return (gettext("\tremove <pool> <device> ...\n"));
241 241 case HELP_REOPEN:
242 242 return (gettext("\treopen <pool>\n"));
243 243 case HELP_SCRUB:
244 244 return (gettext("\tscrub [-s] <pool> ...\n"));
245 245 case HELP_STATUS:
246 246 return (gettext("\tstatus [-vx] [-T d|u] [pool] ... [interval "
247 247 "[count]]\n"));
248 248 case HELP_UPGRADE:
249 249 return (gettext("\tupgrade\n"
250 250 "\tupgrade -v\n"
251 251 "\tupgrade [-V version] <-a | pool ...>\n"));
252 252 case HELP_GET:
253 253 return (gettext("\tget <\"all\" | property[,...]> "
254 254 "<pool> ...\n"));
255 255 case HELP_SET:
256 256 return (gettext("\tset <property=value> <pool> \n"));
257 257 case HELP_SPLIT:
258 258 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n"
259 259 "\t [-o property=value] <pool> <newpool> "
260 260 "[<device> ...]\n"));
261 261 case HELP_REGUID:
262 262 return (gettext("\treguid <pool>\n"));
263 263 }
264 264
265 265 abort();
266 266 /* NOTREACHED */
267 267 }
268 268
269 269
270 270 /*
271 271 * Callback routine that will print out a pool property value.
272 272 */
273 273 static int
274 274 print_prop_cb(int prop, void *cb)
275 275 {
276 276 FILE *fp = cb;
277 277
278 278 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop));
279 279
280 280 if (zpool_prop_readonly(prop))
281 281 (void) fprintf(fp, " NO ");
282 282 else
283 283 (void) fprintf(fp, " YES ");
284 284
285 285 if (zpool_prop_values(prop) == NULL)
286 286 (void) fprintf(fp, "-\n");
287 287 else
288 288 (void) fprintf(fp, "%s\n", zpool_prop_values(prop));
289 289
290 290 return (ZPROP_CONT);
291 291 }
292 292
293 293 /*
294 294 * Display usage message. If we're inside a command, display only the usage for
295 295 * that command. Otherwise, iterate over the entire command table and display
296 296 * a complete usage message.
297 297 */
298 298 void
299 299 usage(boolean_t requested)
300 300 {
301 301 FILE *fp = requested ? stdout : stderr;
302 302
303 303 if (current_command == NULL) {
304 304 int i;
305 305
306 306 (void) fprintf(fp, gettext("usage: zpool command args ...\n"));
307 307 (void) fprintf(fp,
308 308 gettext("where 'command' is one of the following:\n\n"));
309 309
310 310 for (i = 0; i < NCOMMAND; i++) {
311 311 if (command_table[i].name == NULL)
312 312 (void) fprintf(fp, "\n");
313 313 else
314 314 (void) fprintf(fp, "%s",
315 315 get_usage(command_table[i].usage));
316 316 }
317 317 } else {
318 318 (void) fprintf(fp, gettext("usage:\n"));
319 319 (void) fprintf(fp, "%s", get_usage(current_command->usage));
320 320 }
321 321
322 322 if (current_command != NULL &&
323 323 ((strcmp(current_command->name, "set") == 0) ||
324 324 (strcmp(current_command->name, "get") == 0) ||
325 325 (strcmp(current_command->name, "list") == 0))) {
326 326
327 327 (void) fprintf(fp,
328 328 gettext("\nthe following properties are supported:\n"));
329 329
330 330 (void) fprintf(fp, "\n\t%-15s %s %s\n\n",
331 331 "PROPERTY", "EDIT", "VALUES");
332 332
333 333 /* Iterate over all properties */
334 334 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE,
335 335 ZFS_TYPE_POOL);
336 336
337 337 (void) fprintf(fp, "\t%-15s ", "feature@...");
338 338 (void) fprintf(fp, "YES disabled | enabled | active\n");
339 339
340 340 (void) fprintf(fp, gettext("\nThe feature@ properties must be "
341 341 "appended with a feature name.\nSee zpool-features(5).\n"));
342 342 }
343 343
344 344 /*
345 345 * See comments at end of main().
346 346 */
347 347 if (getenv("ZFS_ABORT") != NULL) {
348 348 (void) printf("dumping core by request\n");
349 349 abort();
350 350 }
351 351
352 352 exit(requested ? 0 : 2);
353 353 }
354 354
355 355 void
356 356 print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent,
357 357 boolean_t print_logs)
358 358 {
359 359 nvlist_t **child;
360 360 uint_t c, children;
361 361 char *vname;
362 362
363 363 if (name != NULL)
364 364 (void) printf("\t%*s%s\n", indent, "", name);
365 365
366 366 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
367 367 &child, &children) != 0)
368 368 return;
369 369
370 370 for (c = 0; c < children; c++) {
371 371 uint64_t is_log = B_FALSE;
372 372
373 373 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
374 374 &is_log);
375 375 if ((is_log && !print_logs) || (!is_log && print_logs))
376 376 continue;
377 377
378 378 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE);
379 379 print_vdev_tree(zhp, vname, child[c], indent + 2,
380 380 B_FALSE);
381 381 free(vname);
382 382 }
383 383 }
384 384
385 385 static boolean_t
386 386 prop_list_contains_feature(nvlist_t *proplist)
387 387 {
388 388 nvpair_t *nvp;
389 389 for (nvp = nvlist_next_nvpair(proplist, NULL); NULL != nvp;
390 390 nvp = nvlist_next_nvpair(proplist, nvp)) {
391 391 if (zpool_prop_feature(nvpair_name(nvp)))
392 392 return (B_TRUE);
393 393 }
394 394 return (B_FALSE);
395 395 }
396 396
397 397 /*
398 398 * Add a property pair (name, string-value) into a property nvlist.
399 399 */
400 400 static int
401 401 add_prop_list(const char *propname, char *propval, nvlist_t **props,
402 402 boolean_t poolprop)
403 403 {
404 404 zpool_prop_t prop = ZPROP_INVAL;
405 405 zfs_prop_t fprop;
406 406 nvlist_t *proplist;
407 407 const char *normnm;
408 408 char *strval;
409 409
410 410 if (*props == NULL &&
411 411 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) {
412 412 (void) fprintf(stderr,
413 413 gettext("internal error: out of memory\n"));
414 414 return (1);
415 415 }
416 416
417 417 proplist = *props;
418 418
419 419 if (poolprop) {
420 420 const char *vname = zpool_prop_to_name(ZPOOL_PROP_VERSION);
421 421
422 422 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL &&
423 423 !zpool_prop_feature(propname)) {
424 424 (void) fprintf(stderr, gettext("property '%s' is "
425 425 "not a valid pool property\n"), propname);
426 426 return (2);
427 427 }
428 428
429 429 /*
430 430 * feature@ properties and version should not be specified
431 431 * at the same time.
432 432 */
433 433 if ((prop == ZPROP_INVAL && zpool_prop_feature(propname) &&
434 434 nvlist_exists(proplist, vname)) ||
435 435 (prop == ZPOOL_PROP_VERSION &&
436 436 prop_list_contains_feature(proplist))) {
437 437 (void) fprintf(stderr, gettext("'feature@' and "
438 438 "'version' properties cannot be specified "
439 439 "together\n"));
440 440 return (2);
441 441 }
442 442
443 443
444 444 if (zpool_prop_feature(propname))
445 445 normnm = propname;
446 446 else
447 447 normnm = zpool_prop_to_name(prop);
448 448 } else {
449 449 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) {
450 450 normnm = zfs_prop_to_name(fprop);
451 451 } else {
452 452 normnm = propname;
453 453 }
454 454 }
455 455
456 456 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 &&
457 457 prop != ZPOOL_PROP_CACHEFILE) {
458 458 (void) fprintf(stderr, gettext("property '%s' "
459 459 "specified multiple times\n"), propname);
460 460 return (2);
461 461 }
462 462
463 463 if (nvlist_add_string(proplist, normnm, propval) != 0) {
464 464 (void) fprintf(stderr, gettext("internal "
465 465 "error: out of memory\n"));
466 466 return (1);
467 467 }
468 468
469 469 return (0);
470 470 }
471 471
472 472 /*
473 473 * zpool add [-fn] <pool> <vdev> ...
474 474 *
475 475 * -f Force addition of devices, even if they appear in use
476 476 * -n Do not add the devices, but display the resulting layout if
477 477 * they were to be added.
478 478 *
479 479 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is
480 480 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to
481 481 * libzfs.
482 482 */
483 483 int
484 484 zpool_do_add(int argc, char **argv)
485 485 {
486 486 boolean_t force = B_FALSE;
487 487 boolean_t dryrun = B_FALSE;
488 488 int c;
489 489 nvlist_t *nvroot;
490 490 char *poolname;
491 491 int ret;
492 492 zpool_handle_t *zhp;
493 493 nvlist_t *config;
494 494
495 495 /* check options */
496 496 while ((c = getopt(argc, argv, "fn")) != -1) {
497 497 switch (c) {
498 498 case 'f':
499 499 force = B_TRUE;
500 500 break;
501 501 case 'n':
502 502 dryrun = B_TRUE;
503 503 break;
504 504 case '?':
505 505 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
506 506 optopt);
507 507 usage(B_FALSE);
508 508 }
509 509 }
510 510
511 511 argc -= optind;
512 512 argv += optind;
513 513
514 514 /* get pool name and check number of arguments */
515 515 if (argc < 1) {
516 516 (void) fprintf(stderr, gettext("missing pool name argument\n"));
517 517 usage(B_FALSE);
518 518 }
519 519 if (argc < 2) {
520 520 (void) fprintf(stderr, gettext("missing vdev specification\n"));
521 521 usage(B_FALSE);
522 522 }
523 523
524 524 poolname = argv[0];
525 525
526 526 argc--;
527 527 argv++;
528 528
529 529 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
530 530 return (1);
531 531
532 532 if ((config = zpool_get_config(zhp, NULL)) == NULL) {
533 533 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
534 534 poolname);
535 535 zpool_close(zhp);
536 536 return (1);
537 537 }
538 538
539 539 /* pass off to get_vdev_spec for processing */
540 540 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun,
541 541 argc, argv);
542 542 if (nvroot == NULL) {
543 543 zpool_close(zhp);
544 544 return (1);
545 545 }
546 546
547 547 if (dryrun) {
548 548 nvlist_t *poolnvroot;
549 549
550 550 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
551 551 &poolnvroot) == 0);
552 552
553 553 (void) printf(gettext("would update '%s' to the following "
554 554 "configuration:\n"), zpool_get_name(zhp));
555 555
556 556 /* print original main pool and new tree */
557 557 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE);
558 558 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE);
559 559
560 560 /* Do the same for the logs */
561 561 if (num_logs(poolnvroot) > 0) {
562 562 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE);
563 563 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE);
564 564 } else if (num_logs(nvroot) > 0) {
565 565 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE);
566 566 }
567 567
568 568 ret = 0;
569 569 } else {
570 570 ret = (zpool_add(zhp, nvroot) != 0);
571 571 }
572 572
573 573 nvlist_free(nvroot);
574 574 zpool_close(zhp);
575 575
576 576 return (ret);
577 577 }
578 578
579 579 /*
580 580 * zpool remove <pool> <vdev> ...
581 581 *
582 582 * Removes the given vdev from the pool. Currently, this supports removing
583 583 * spares, cache, and log devices from the pool.
584 584 */
585 585 int
586 586 zpool_do_remove(int argc, char **argv)
587 587 {
588 588 char *poolname;
589 589 int i, ret = 0;
590 590 zpool_handle_t *zhp;
591 591
592 592 argc--;
593 593 argv++;
594 594
595 595 /* get pool name and check number of arguments */
596 596 if (argc < 1) {
597 597 (void) fprintf(stderr, gettext("missing pool name argument\n"));
598 598 usage(B_FALSE);
599 599 }
600 600 if (argc < 2) {
601 601 (void) fprintf(stderr, gettext("missing device\n"));
602 602 usage(B_FALSE);
603 603 }
604 604
605 605 poolname = argv[0];
606 606
607 607 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
608 608 return (1);
609 609
610 610 for (i = 1; i < argc; i++) {
611 611 if (zpool_vdev_remove(zhp, argv[i]) != 0)
612 612 ret = 1;
613 613 }
614 614
615 615 return (ret);
616 616 }
617 617
618 618 /*
619 619 * zpool create [-fnd] [-o property=value] ...
620 620 * [-O file-system-property=value] ...
621 621 * [-R root] [-m mountpoint] <pool> <dev> ...
622 622 *
623 623 * -f Force creation, even if devices appear in use
624 624 * -n Do not create the pool, but display the resulting layout if it
625 625 * were to be created.
626 626 * -R Create a pool under an alternate root
627 627 * -m Set default mountpoint for the root dataset. By default it's
628 628 * '/<pool>'
629 629 * -o Set property=value.
630 630 * -d Don't automatically enable all supported pool features
631 631 * (individual features can be enabled with -o).
632 632 * -O Set fsproperty=value in the pool's root file system
633 633 *
634 634 * Creates the named pool according to the given vdev specification. The
635 635 * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once
636 636 * we get the nvlist back from get_vdev_spec(), we either print out the contents
637 637 * (if '-n' was specified), or pass it to libzfs to do the creation.
638 638 */
639 639 int
640 640 zpool_do_create(int argc, char **argv)
641 641 {
642 642 boolean_t force = B_FALSE;
643 643 boolean_t dryrun = B_FALSE;
644 644 boolean_t enable_all_pool_feat = B_TRUE;
645 645 int c;
646 646 nvlist_t *nvroot = NULL;
647 647 char *poolname;
648 648 int ret = 1;
649 649 char *altroot = NULL;
650 650 char *mountpoint = NULL;
651 651 nvlist_t *fsprops = NULL;
652 652 nvlist_t *props = NULL;
653 653 char *propval;
654 654
655 655 /* check options */
656 656 while ((c = getopt(argc, argv, ":fndR:m:o:O:")) != -1) {
657 657 switch (c) {
658 658 case 'f':
659 659 force = B_TRUE;
660 660 break;
661 661 case 'n':
662 662 dryrun = B_TRUE;
663 663 break;
664 664 case 'd':
665 665 enable_all_pool_feat = B_FALSE;
666 666 break;
667 667 case 'R':
668 668 altroot = optarg;
669 669 if (add_prop_list(zpool_prop_to_name(
670 670 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
671 671 goto errout;
672 672 if (nvlist_lookup_string(props,
673 673 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE),
674 674 &propval) == 0)
675 675 break;
676 676 if (add_prop_list(zpool_prop_to_name(
677 677 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
678 678 goto errout;
679 679 break;
680 680 case 'm':
681 681 /* Equivalent to -O mountpoint=optarg */
682 682 mountpoint = optarg;
683 683 break;
684 684 case 'o':
685 685 if ((propval = strchr(optarg, '=')) == NULL) {
686 686 (void) fprintf(stderr, gettext("missing "
687 687 "'=' for -o option\n"));
688 688 goto errout;
689 689 }
690 690 *propval = '\0';
691 691 propval++;
692 692
693 693 if (add_prop_list(optarg, propval, &props, B_TRUE))
694 694 goto errout;
695 695
696 696 /*
697 697 * If the user is creating a pool that doesn't support
698 698 * feature flags, don't enable any features.
699 699 */
700 700 if (zpool_name_to_prop(optarg) == ZPOOL_PROP_VERSION) {
701 701 char *end;
702 702 u_longlong_t ver;
703 703
704 704 ver = strtoull(propval, &end, 10);
705 705 if (*end == '\0' &&
706 706 ver < SPA_VERSION_FEATURES) {
707 707 enable_all_pool_feat = B_FALSE;
708 708 }
709 709 }
710 710 break;
711 711 case 'O':
712 712 if ((propval = strchr(optarg, '=')) == NULL) {
713 713 (void) fprintf(stderr, gettext("missing "
714 714 "'=' for -O option\n"));
715 715 goto errout;
716 716 }
717 717 *propval = '\0';
718 718 propval++;
719 719
720 720 /*
721 721 * Mountpoints are checked and then added later.
722 722 * Uniquely among properties, they can be specified
723 723 * more than once, to avoid conflict with -m.
724 724 */
725 725 if (0 == strcmp(optarg,
726 726 zfs_prop_to_name(ZFS_PROP_MOUNTPOINT))) {
727 727 mountpoint = propval;
728 728 } else if (add_prop_list(optarg, propval, &fsprops,
729 729 B_FALSE)) {
730 730 goto errout;
731 731 }
732 732 break;
733 733 case ':':
734 734 (void) fprintf(stderr, gettext("missing argument for "
735 735 "'%c' option\n"), optopt);
736 736 goto badusage;
737 737 case '?':
738 738 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
739 739 optopt);
740 740 goto badusage;
741 741 }
742 742 }
743 743
744 744 argc -= optind;
745 745 argv += optind;
746 746
747 747 /* get pool name and check number of arguments */
748 748 if (argc < 1) {
749 749 (void) fprintf(stderr, gettext("missing pool name argument\n"));
750 750 goto badusage;
751 751 }
752 752 if (argc < 2) {
753 753 (void) fprintf(stderr, gettext("missing vdev specification\n"));
754 754 goto badusage;
755 755 }
756 756
757 757 poolname = argv[0];
758 758
759 759 /*
760 760 * As a special case, check for use of '/' in the name, and direct the
761 761 * user to use 'zfs create' instead.
762 762 */
763 763 if (strchr(poolname, '/') != NULL) {
764 764 (void) fprintf(stderr, gettext("cannot create '%s': invalid "
765 765 "character '/' in pool name\n"), poolname);
766 766 (void) fprintf(stderr, gettext("use 'zfs create' to "
767 767 "create a dataset\n"));
768 768 goto errout;
769 769 }
770 770
771 771 /* pass off to get_vdev_spec for bulk processing */
772 772 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun,
773 773 argc - 1, argv + 1);
774 774 if (nvroot == NULL)
775 775 goto errout;
776 776
777 777 /* make_root_vdev() allows 0 toplevel children if there are spares */
778 778 if (!zfs_allocatable_devs(nvroot)) {
779 779 (void) fprintf(stderr, gettext("invalid vdev "
780 780 "specification: at least one toplevel vdev must be "
781 781 "specified\n"));
782 782 goto errout;
783 783 }
784 784
785 785 if (altroot != NULL && altroot[0] != '/') {
786 786 (void) fprintf(stderr, gettext("invalid alternate root '%s': "
787 787 "must be an absolute path\n"), altroot);
788 788 goto errout;
789 789 }
790 790
791 791 /*
792 792 * Check the validity of the mountpoint and direct the user to use the
793 793 * '-m' mountpoint option if it looks like its in use.
794 794 */
795 795 if (mountpoint == NULL ||
796 796 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 &&
797 797 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) {
798 798 char buf[MAXPATHLEN];
799 799 DIR *dirp;
800 800
801 801 if (mountpoint && mountpoint[0] != '/') {
802 802 (void) fprintf(stderr, gettext("invalid mountpoint "
803 803 "'%s': must be an absolute path, 'legacy', or "
804 804 "'none'\n"), mountpoint);
805 805 goto errout;
806 806 }
807 807
808 808 if (mountpoint == NULL) {
809 809 if (altroot != NULL)
810 810 (void) snprintf(buf, sizeof (buf), "%s/%s",
811 811 altroot, poolname);
812 812 else
813 813 (void) snprintf(buf, sizeof (buf), "/%s",
814 814 poolname);
815 815 } else {
816 816 if (altroot != NULL)
817 817 (void) snprintf(buf, sizeof (buf), "%s%s",
818 818 altroot, mountpoint);
819 819 else
820 820 (void) snprintf(buf, sizeof (buf), "%s",
821 821 mountpoint);
822 822 }
823 823
824 824 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) {
825 825 (void) fprintf(stderr, gettext("mountpoint '%s' : "
826 826 "%s\n"), buf, strerror(errno));
827 827 (void) fprintf(stderr, gettext("use '-m' "
828 828 "option to provide a different default\n"));
829 829 goto errout;
830 830 } else if (dirp) {
831 831 int count = 0;
832 832
833 833 while (count < 3 && readdir(dirp) != NULL)
834 834 count++;
835 835 (void) closedir(dirp);
836 836
837 837 if (count > 2) {
838 838 (void) fprintf(stderr, gettext("mountpoint "
839 839 "'%s' exists and is not empty\n"), buf);
840 840 (void) fprintf(stderr, gettext("use '-m' "
841 841 "option to provide a "
842 842 "different default\n"));
843 843 goto errout;
844 844 }
845 845 }
846 846 }
847 847
848 848 /*
849 849 * Now that the mountpoint's validity has been checked, ensure that
850 850 * the property is set appropriately prior to creating the pool.
851 851 */
852 852 if (mountpoint != NULL) {
853 853 ret = add_prop_list(zfs_prop_to_name(ZFS_PROP_MOUNTPOINT),
854 854 mountpoint, &fsprops, B_FALSE);
855 855 if (ret != 0)
856 856 goto errout;
857 857 }
858 858
859 859 ret = 1;
860 860 if (dryrun) {
861 861 /*
862 862 * For a dry run invocation, print out a basic message and run
863 863 * through all the vdevs in the list and print out in an
864 864 * appropriate hierarchy.
865 865 */
866 866 (void) printf(gettext("would create '%s' with the "
867 867 "following layout:\n\n"), poolname);
868 868
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869 869 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE);
870 870 if (num_logs(nvroot) > 0)
871 871 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE);
872 872
873 873 ret = 0;
874 874 } else {
875 875 /*
876 876 * Hand off to libzfs.
877 877 */
878 878 if (enable_all_pool_feat) {
879 - int i;
879 + spa_feature_t i;
880 880 for (i = 0; i < SPA_FEATURES; i++) {
881 881 char propname[MAXPATHLEN];
882 882 zfeature_info_t *feat = &spa_feature_table[i];
883 883
884 884 (void) snprintf(propname, sizeof (propname),
885 885 "feature@%s", feat->fi_uname);
886 886
887 887 /*
888 888 * Skip feature if user specified it manually
889 889 * on the command line.
890 890 */
891 891 if (nvlist_exists(props, propname))
892 892 continue;
893 893
894 894 ret = add_prop_list(propname,
895 895 ZFS_FEATURE_ENABLED, &props, B_TRUE);
896 896 if (ret != 0)
897 897 goto errout;
898 898 }
899 899 }
900 900
901 901 ret = 1;
902 902 if (zpool_create(g_zfs, poolname,
903 903 nvroot, props, fsprops) == 0) {
904 904 zfs_handle_t *pool = zfs_open(g_zfs, poolname,
905 905 ZFS_TYPE_FILESYSTEM);
906 906 if (pool != NULL) {
907 907 if (zfs_mount(pool, NULL, 0) == 0)
908 908 ret = zfs_shareall(pool);
909 909 zfs_close(pool);
910 910 }
911 911 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) {
912 912 (void) fprintf(stderr, gettext("pool name may have "
913 913 "been omitted\n"));
914 914 }
915 915 }
916 916
917 917 errout:
918 918 nvlist_free(nvroot);
919 919 nvlist_free(fsprops);
920 920 nvlist_free(props);
921 921 return (ret);
922 922 badusage:
923 923 nvlist_free(fsprops);
924 924 nvlist_free(props);
925 925 usage(B_FALSE);
926 926 return (2);
927 927 }
928 928
929 929 /*
930 930 * zpool destroy <pool>
931 931 *
932 932 * -f Forcefully unmount any datasets
933 933 *
934 934 * Destroy the given pool. Automatically unmounts any datasets in the pool.
935 935 */
936 936 int
937 937 zpool_do_destroy(int argc, char **argv)
938 938 {
939 939 boolean_t force = B_FALSE;
940 940 int c;
941 941 char *pool;
942 942 zpool_handle_t *zhp;
943 943 int ret;
944 944
945 945 /* check options */
946 946 while ((c = getopt(argc, argv, "f")) != -1) {
947 947 switch (c) {
948 948 case 'f':
949 949 force = B_TRUE;
950 950 break;
951 951 case '?':
952 952 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
953 953 optopt);
954 954 usage(B_FALSE);
955 955 }
956 956 }
957 957
958 958 argc -= optind;
959 959 argv += optind;
960 960
961 961 /* check arguments */
962 962 if (argc < 1) {
963 963 (void) fprintf(stderr, gettext("missing pool argument\n"));
964 964 usage(B_FALSE);
965 965 }
966 966 if (argc > 1) {
967 967 (void) fprintf(stderr, gettext("too many arguments\n"));
968 968 usage(B_FALSE);
969 969 }
970 970
971 971 pool = argv[0];
972 972
973 973 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) {
974 974 /*
975 975 * As a special case, check for use of '/' in the name, and
976 976 * direct the user to use 'zfs destroy' instead.
977 977 */
978 978 if (strchr(pool, '/') != NULL)
979 979 (void) fprintf(stderr, gettext("use 'zfs destroy' to "
980 980 "destroy a dataset\n"));
981 981 return (1);
982 982 }
983 983
984 984 if (zpool_disable_datasets(zhp, force) != 0) {
985 985 (void) fprintf(stderr, gettext("could not destroy '%s': "
986 986 "could not unmount datasets\n"), zpool_get_name(zhp));
987 987 return (1);
988 988 }
989 989
990 990 /* The history must be logged as part of the export */
991 991 log_history = B_FALSE;
992 992
993 993 ret = (zpool_destroy(zhp, history_str) != 0);
994 994
995 995 zpool_close(zhp);
996 996
997 997 return (ret);
998 998 }
999 999
1000 1000 /*
1001 1001 * zpool export [-f] <pool> ...
1002 1002 *
1003 1003 * -f Forcefully unmount datasets
1004 1004 *
1005 1005 * Export the given pools. By default, the command will attempt to cleanly
1006 1006 * unmount any active datasets within the pool. If the '-f' flag is specified,
1007 1007 * then the datasets will be forcefully unmounted.
1008 1008 */
1009 1009 int
1010 1010 zpool_do_export(int argc, char **argv)
1011 1011 {
1012 1012 boolean_t force = B_FALSE;
1013 1013 boolean_t hardforce = B_FALSE;
1014 1014 int c;
1015 1015 zpool_handle_t *zhp;
1016 1016 int ret;
1017 1017 int i;
1018 1018
1019 1019 /* check options */
1020 1020 while ((c = getopt(argc, argv, "fF")) != -1) {
1021 1021 switch (c) {
1022 1022 case 'f':
1023 1023 force = B_TRUE;
1024 1024 break;
1025 1025 case 'F':
1026 1026 hardforce = B_TRUE;
1027 1027 break;
1028 1028 case '?':
1029 1029 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1030 1030 optopt);
1031 1031 usage(B_FALSE);
1032 1032 }
1033 1033 }
1034 1034
1035 1035 argc -= optind;
1036 1036 argv += optind;
1037 1037
1038 1038 /* check arguments */
1039 1039 if (argc < 1) {
1040 1040 (void) fprintf(stderr, gettext("missing pool argument\n"));
1041 1041 usage(B_FALSE);
1042 1042 }
1043 1043
1044 1044 ret = 0;
1045 1045 for (i = 0; i < argc; i++) {
1046 1046 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) {
1047 1047 ret = 1;
1048 1048 continue;
1049 1049 }
1050 1050
1051 1051 if (zpool_disable_datasets(zhp, force) != 0) {
1052 1052 ret = 1;
1053 1053 zpool_close(zhp);
1054 1054 continue;
1055 1055 }
1056 1056
1057 1057 /* The history must be logged as part of the export */
1058 1058 log_history = B_FALSE;
1059 1059
1060 1060 if (hardforce) {
1061 1061 if (zpool_export_force(zhp, history_str) != 0)
1062 1062 ret = 1;
1063 1063 } else if (zpool_export(zhp, force, history_str) != 0) {
1064 1064 ret = 1;
1065 1065 }
1066 1066
1067 1067 zpool_close(zhp);
1068 1068 }
1069 1069
1070 1070 return (ret);
1071 1071 }
1072 1072
1073 1073 /*
1074 1074 * Given a vdev configuration, determine the maximum width needed for the device
1075 1075 * name column.
1076 1076 */
1077 1077 static int
1078 1078 max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max)
1079 1079 {
1080 1080 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE);
1081 1081 nvlist_t **child;
1082 1082 uint_t c, children;
1083 1083 int ret;
1084 1084
1085 1085 if (strlen(name) + depth > max)
1086 1086 max = strlen(name) + depth;
1087 1087
1088 1088 free(name);
1089 1089
1090 1090 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
1091 1091 &child, &children) == 0) {
1092 1092 for (c = 0; c < children; c++)
1093 1093 if ((ret = max_width(zhp, child[c], depth + 2,
1094 1094 max)) > max)
1095 1095 max = ret;
1096 1096 }
1097 1097
1098 1098 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
1099 1099 &child, &children) == 0) {
1100 1100 for (c = 0; c < children; c++)
1101 1101 if ((ret = max_width(zhp, child[c], depth + 2,
1102 1102 max)) > max)
1103 1103 max = ret;
1104 1104 }
1105 1105
1106 1106 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1107 1107 &child, &children) == 0) {
1108 1108 for (c = 0; c < children; c++)
1109 1109 if ((ret = max_width(zhp, child[c], depth + 2,
1110 1110 max)) > max)
1111 1111 max = ret;
1112 1112 }
1113 1113
1114 1114
1115 1115 return (max);
1116 1116 }
1117 1117
1118 1118 typedef struct spare_cbdata {
1119 1119 uint64_t cb_guid;
1120 1120 zpool_handle_t *cb_zhp;
1121 1121 } spare_cbdata_t;
1122 1122
1123 1123 static boolean_t
1124 1124 find_vdev(nvlist_t *nv, uint64_t search)
1125 1125 {
1126 1126 uint64_t guid;
1127 1127 nvlist_t **child;
1128 1128 uint_t c, children;
1129 1129
1130 1130 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 &&
1131 1131 search == guid)
1132 1132 return (B_TRUE);
1133 1133
1134 1134 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1135 1135 &child, &children) == 0) {
1136 1136 for (c = 0; c < children; c++)
1137 1137 if (find_vdev(child[c], search))
1138 1138 return (B_TRUE);
1139 1139 }
1140 1140
1141 1141 return (B_FALSE);
1142 1142 }
1143 1143
1144 1144 static int
1145 1145 find_spare(zpool_handle_t *zhp, void *data)
1146 1146 {
1147 1147 spare_cbdata_t *cbp = data;
1148 1148 nvlist_t *config, *nvroot;
1149 1149
1150 1150 config = zpool_get_config(zhp, NULL);
1151 1151 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
1152 1152 &nvroot) == 0);
1153 1153
1154 1154 if (find_vdev(nvroot, cbp->cb_guid)) {
1155 1155 cbp->cb_zhp = zhp;
1156 1156 return (1);
1157 1157 }
1158 1158
1159 1159 zpool_close(zhp);
1160 1160 return (0);
1161 1161 }
1162 1162
1163 1163 /*
1164 1164 * Print out configuration state as requested by status_callback.
1165 1165 */
1166 1166 void
1167 1167 print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv,
1168 1168 int namewidth, int depth, boolean_t isspare)
1169 1169 {
1170 1170 nvlist_t **child;
1171 1171 uint_t c, children;
1172 1172 pool_scan_stat_t *ps = NULL;
1173 1173 vdev_stat_t *vs;
1174 1174 char rbuf[6], wbuf[6], cbuf[6];
1175 1175 char *vname;
1176 1176 uint64_t notpresent;
1177 1177 spare_cbdata_t cb;
1178 1178 char *state;
1179 1179
1180 1180 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1181 1181 &child, &children) != 0)
1182 1182 children = 0;
1183 1183
1184 1184 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
1185 1185 (uint64_t **)&vs, &c) == 0);
1186 1186
1187 1187 state = zpool_state_to_name(vs->vs_state, vs->vs_aux);
1188 1188 if (isspare) {
1189 1189 /*
1190 1190 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for
1191 1191 * online drives.
1192 1192 */
1193 1193 if (vs->vs_aux == VDEV_AUX_SPARED)
1194 1194 state = "INUSE";
1195 1195 else if (vs->vs_state == VDEV_STATE_HEALTHY)
1196 1196 state = "AVAIL";
1197 1197 }
1198 1198
1199 1199 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth,
1200 1200 name, state);
1201 1201
1202 1202 if (!isspare) {
1203 1203 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf));
1204 1204 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf));
1205 1205 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf));
1206 1206 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf);
1207 1207 }
1208 1208
1209 1209 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT,
1210 1210 ¬present) == 0) {
1211 1211 char *path;
1212 1212 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0);
1213 1213 (void) printf(" was %s", path);
1214 1214 } else if (vs->vs_aux != 0) {
1215 1215 (void) printf(" ");
1216 1216
1217 1217 switch (vs->vs_aux) {
1218 1218 case VDEV_AUX_OPEN_FAILED:
1219 1219 (void) printf(gettext("cannot open"));
1220 1220 break;
1221 1221
1222 1222 case VDEV_AUX_BAD_GUID_SUM:
1223 1223 (void) printf(gettext("missing device"));
1224 1224 break;
1225 1225
1226 1226 case VDEV_AUX_NO_REPLICAS:
1227 1227 (void) printf(gettext("insufficient replicas"));
1228 1228 break;
1229 1229
1230 1230 case VDEV_AUX_VERSION_NEWER:
1231 1231 (void) printf(gettext("newer version"));
1232 1232 break;
1233 1233
1234 1234 case VDEV_AUX_UNSUP_FEAT:
1235 1235 (void) printf(gettext("unsupported feature(s)"));
1236 1236 break;
1237 1237
1238 1238 case VDEV_AUX_SPARED:
1239 1239 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID,
1240 1240 &cb.cb_guid) == 0);
1241 1241 if (zpool_iter(g_zfs, find_spare, &cb) == 1) {
1242 1242 if (strcmp(zpool_get_name(cb.cb_zhp),
1243 1243 zpool_get_name(zhp)) == 0)
1244 1244 (void) printf(gettext("currently in "
1245 1245 "use"));
1246 1246 else
1247 1247 (void) printf(gettext("in use by "
1248 1248 "pool '%s'"),
1249 1249 zpool_get_name(cb.cb_zhp));
1250 1250 zpool_close(cb.cb_zhp);
1251 1251 } else {
1252 1252 (void) printf(gettext("currently in use"));
1253 1253 }
1254 1254 break;
1255 1255
1256 1256 case VDEV_AUX_ERR_EXCEEDED:
1257 1257 (void) printf(gettext("too many errors"));
1258 1258 break;
1259 1259
1260 1260 case VDEV_AUX_IO_FAILURE:
1261 1261 (void) printf(gettext("experienced I/O failures"));
1262 1262 break;
1263 1263
1264 1264 case VDEV_AUX_BAD_LOG:
1265 1265 (void) printf(gettext("bad intent log"));
1266 1266 break;
1267 1267
1268 1268 case VDEV_AUX_EXTERNAL:
1269 1269 (void) printf(gettext("external device fault"));
1270 1270 break;
1271 1271
1272 1272 case VDEV_AUX_SPLIT_POOL:
1273 1273 (void) printf(gettext("split into new pool"));
1274 1274 break;
1275 1275
1276 1276 default:
1277 1277 (void) printf(gettext("corrupted data"));
1278 1278 break;
1279 1279 }
1280 1280 }
1281 1281
1282 1282 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS,
1283 1283 (uint64_t **)&ps, &c);
1284 1284
1285 1285 if (ps && ps->pss_state == DSS_SCANNING &&
1286 1286 vs->vs_scan_processed != 0 && children == 0) {
1287 1287 (void) printf(gettext(" (%s)"),
1288 1288 (ps->pss_func == POOL_SCAN_RESILVER) ?
1289 1289 "resilvering" : "repairing");
1290 1290 }
1291 1291
1292 1292 (void) printf("\n");
1293 1293
1294 1294 for (c = 0; c < children; c++) {
1295 1295 uint64_t islog = B_FALSE, ishole = B_FALSE;
1296 1296
1297 1297 /* Don't print logs or holes here */
1298 1298 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
1299 1299 &islog);
1300 1300 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE,
1301 1301 &ishole);
1302 1302 if (islog || ishole)
1303 1303 continue;
1304 1304 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE);
1305 1305 print_status_config(zhp, vname, child[c],
1306 1306 namewidth, depth + 2, isspare);
1307 1307 free(vname);
1308 1308 }
1309 1309 }
1310 1310
1311 1311
1312 1312 /*
1313 1313 * Print the configuration of an exported pool. Iterate over all vdevs in the
1314 1314 * pool, printing out the name and status for each one.
1315 1315 */
1316 1316 void
1317 1317 print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth)
1318 1318 {
1319 1319 nvlist_t **child;
1320 1320 uint_t c, children;
1321 1321 vdev_stat_t *vs;
1322 1322 char *type, *vname;
1323 1323
1324 1324 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0);
1325 1325 if (strcmp(type, VDEV_TYPE_MISSING) == 0 ||
1326 1326 strcmp(type, VDEV_TYPE_HOLE) == 0)
1327 1327 return;
1328 1328
1329 1329 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
1330 1330 (uint64_t **)&vs, &c) == 0);
1331 1331
1332 1332 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name);
1333 1333 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux));
1334 1334
1335 1335 if (vs->vs_aux != 0) {
1336 1336 (void) printf(" ");
1337 1337
1338 1338 switch (vs->vs_aux) {
1339 1339 case VDEV_AUX_OPEN_FAILED:
1340 1340 (void) printf(gettext("cannot open"));
1341 1341 break;
1342 1342
1343 1343 case VDEV_AUX_BAD_GUID_SUM:
1344 1344 (void) printf(gettext("missing device"));
1345 1345 break;
1346 1346
1347 1347 case VDEV_AUX_NO_REPLICAS:
1348 1348 (void) printf(gettext("insufficient replicas"));
1349 1349 break;
1350 1350
1351 1351 case VDEV_AUX_VERSION_NEWER:
1352 1352 (void) printf(gettext("newer version"));
1353 1353 break;
1354 1354
1355 1355 case VDEV_AUX_UNSUP_FEAT:
1356 1356 (void) printf(gettext("unsupported feature(s)"));
1357 1357 break;
1358 1358
1359 1359 case VDEV_AUX_ERR_EXCEEDED:
1360 1360 (void) printf(gettext("too many errors"));
1361 1361 break;
1362 1362
1363 1363 default:
1364 1364 (void) printf(gettext("corrupted data"));
1365 1365 break;
1366 1366 }
1367 1367 }
1368 1368 (void) printf("\n");
1369 1369
1370 1370 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1371 1371 &child, &children) != 0)
1372 1372 return;
1373 1373
1374 1374 for (c = 0; c < children; c++) {
1375 1375 uint64_t is_log = B_FALSE;
1376 1376
1377 1377 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
1378 1378 &is_log);
1379 1379 if (is_log)
1380 1380 continue;
1381 1381
1382 1382 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE);
1383 1383 print_import_config(vname, child[c], namewidth, depth + 2);
1384 1384 free(vname);
1385 1385 }
1386 1386
1387 1387 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
1388 1388 &child, &children) == 0) {
1389 1389 (void) printf(gettext("\tcache\n"));
1390 1390 for (c = 0; c < children; c++) {
1391 1391 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE);
1392 1392 (void) printf("\t %s\n", vname);
1393 1393 free(vname);
1394 1394 }
1395 1395 }
1396 1396
1397 1397 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
1398 1398 &child, &children) == 0) {
1399 1399 (void) printf(gettext("\tspares\n"));
1400 1400 for (c = 0; c < children; c++) {
1401 1401 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE);
1402 1402 (void) printf("\t %s\n", vname);
1403 1403 free(vname);
1404 1404 }
1405 1405 }
1406 1406 }
1407 1407
1408 1408 /*
1409 1409 * Print log vdevs.
1410 1410 * Logs are recorded as top level vdevs in the main pool child array
1411 1411 * but with "is_log" set to 1. We use either print_status_config() or
1412 1412 * print_import_config() to print the top level logs then any log
1413 1413 * children (eg mirrored slogs) are printed recursively - which
1414 1414 * works because only the top level vdev is marked "is_log"
1415 1415 */
1416 1416 static void
1417 1417 print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose)
1418 1418 {
1419 1419 uint_t c, children;
1420 1420 nvlist_t **child;
1421 1421
1422 1422 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child,
1423 1423 &children) != 0)
1424 1424 return;
1425 1425
1426 1426 (void) printf(gettext("\tlogs\n"));
1427 1427
1428 1428 for (c = 0; c < children; c++) {
1429 1429 uint64_t is_log = B_FALSE;
1430 1430 char *name;
1431 1431
1432 1432 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
1433 1433 &is_log);
1434 1434 if (!is_log)
1435 1435 continue;
1436 1436 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE);
1437 1437 if (verbose)
1438 1438 print_status_config(zhp, name, child[c], namewidth,
1439 1439 2, B_FALSE);
1440 1440 else
1441 1441 print_import_config(name, child[c], namewidth, 2);
1442 1442 free(name);
1443 1443 }
1444 1444 }
1445 1445
1446 1446 /*
1447 1447 * Display the status for the given pool.
1448 1448 */
1449 1449 static void
1450 1450 show_import(nvlist_t *config)
1451 1451 {
1452 1452 uint64_t pool_state;
1453 1453 vdev_stat_t *vs;
1454 1454 char *name;
1455 1455 uint64_t guid;
1456 1456 char *msgid;
1457 1457 nvlist_t *nvroot;
1458 1458 int reason;
1459 1459 const char *health;
1460 1460 uint_t vsc;
1461 1461 int namewidth;
1462 1462 char *comment;
1463 1463
1464 1464 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
1465 1465 &name) == 0);
1466 1466 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
1467 1467 &guid) == 0);
1468 1468 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
1469 1469 &pool_state) == 0);
1470 1470 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
1471 1471 &nvroot) == 0);
1472 1472
1473 1473 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS,
1474 1474 (uint64_t **)&vs, &vsc) == 0);
1475 1475 health = zpool_state_to_name(vs->vs_state, vs->vs_aux);
1476 1476
1477 1477 reason = zpool_import_status(config, &msgid);
1478 1478
1479 1479 (void) printf(gettext(" pool: %s\n"), name);
1480 1480 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid);
1481 1481 (void) printf(gettext(" state: %s"), health);
1482 1482 if (pool_state == POOL_STATE_DESTROYED)
1483 1483 (void) printf(gettext(" (DESTROYED)"));
1484 1484 (void) printf("\n");
1485 1485
1486 1486 switch (reason) {
1487 1487 case ZPOOL_STATUS_MISSING_DEV_R:
1488 1488 case ZPOOL_STATUS_MISSING_DEV_NR:
1489 1489 case ZPOOL_STATUS_BAD_GUID_SUM:
1490 1490 (void) printf(gettext(" status: One or more devices are "
1491 1491 "missing from the system.\n"));
1492 1492 break;
1493 1493
1494 1494 case ZPOOL_STATUS_CORRUPT_LABEL_R:
1495 1495 case ZPOOL_STATUS_CORRUPT_LABEL_NR:
1496 1496 (void) printf(gettext(" status: One or more devices contains "
1497 1497 "corrupted data.\n"));
1498 1498 break;
1499 1499
1500 1500 case ZPOOL_STATUS_CORRUPT_DATA:
1501 1501 (void) printf(
1502 1502 gettext(" status: The pool data is corrupted.\n"));
1503 1503 break;
1504 1504
1505 1505 case ZPOOL_STATUS_OFFLINE_DEV:
1506 1506 (void) printf(gettext(" status: One or more devices "
1507 1507 "are offlined.\n"));
1508 1508 break;
1509 1509
1510 1510 case ZPOOL_STATUS_CORRUPT_POOL:
1511 1511 (void) printf(gettext(" status: The pool metadata is "
1512 1512 "corrupted.\n"));
1513 1513 break;
1514 1514
1515 1515 case ZPOOL_STATUS_VERSION_OLDER:
1516 1516 (void) printf(gettext(" status: The pool is formatted using a "
1517 1517 "legacy on-disk version.\n"));
1518 1518 break;
1519 1519
1520 1520 case ZPOOL_STATUS_VERSION_NEWER:
1521 1521 (void) printf(gettext(" status: The pool is formatted using an "
1522 1522 "incompatible version.\n"));
1523 1523 break;
1524 1524
1525 1525 case ZPOOL_STATUS_FEAT_DISABLED:
1526 1526 (void) printf(gettext(" status: Some supported features are "
1527 1527 "not enabled on the pool.\n"));
1528 1528 break;
1529 1529
1530 1530 case ZPOOL_STATUS_UNSUP_FEAT_READ:
1531 1531 (void) printf(gettext("status: The pool uses the following "
1532 1532 "feature(s) not supported on this sytem:\n"));
1533 1533 zpool_print_unsup_feat(config);
1534 1534 break;
1535 1535
1536 1536 case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
1537 1537 (void) printf(gettext("status: The pool can only be accessed "
1538 1538 "in read-only mode on this system. It\n\tcannot be "
1539 1539 "accessed in read-write mode because it uses the "
1540 1540 "following\n\tfeature(s) not supported on this system:\n"));
1541 1541 zpool_print_unsup_feat(config);
1542 1542 break;
1543 1543
1544 1544 case ZPOOL_STATUS_HOSTID_MISMATCH:
1545 1545 (void) printf(gettext(" status: The pool was last accessed by "
1546 1546 "another system.\n"));
1547 1547 break;
1548 1548
1549 1549 case ZPOOL_STATUS_FAULTED_DEV_R:
1550 1550 case ZPOOL_STATUS_FAULTED_DEV_NR:
1551 1551 (void) printf(gettext(" status: One or more devices are "
1552 1552 "faulted.\n"));
1553 1553 break;
1554 1554
1555 1555 case ZPOOL_STATUS_BAD_LOG:
1556 1556 (void) printf(gettext(" status: An intent log record cannot be "
1557 1557 "read.\n"));
1558 1558 break;
1559 1559
1560 1560 case ZPOOL_STATUS_RESILVERING:
1561 1561 (void) printf(gettext(" status: One or more devices were being "
1562 1562 "resilvered.\n"));
1563 1563 break;
1564 1564
1565 1565 default:
1566 1566 /*
1567 1567 * No other status can be seen when importing pools.
1568 1568 */
1569 1569 assert(reason == ZPOOL_STATUS_OK);
1570 1570 }
1571 1571
1572 1572 /*
1573 1573 * Print out an action according to the overall state of the pool.
1574 1574 */
1575 1575 if (vs->vs_state == VDEV_STATE_HEALTHY) {
1576 1576 if (reason == ZPOOL_STATUS_VERSION_OLDER ||
1577 1577 reason == ZPOOL_STATUS_FEAT_DISABLED) {
1578 1578 (void) printf(gettext(" action: The pool can be "
1579 1579 "imported using its name or numeric identifier, "
1580 1580 "though\n\tsome features will not be available "
1581 1581 "without an explicit 'zpool upgrade'.\n"));
1582 1582 } else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) {
1583 1583 (void) printf(gettext(" action: The pool can be "
1584 1584 "imported using its name or numeric "
1585 1585 "identifier and\n\tthe '-f' flag.\n"));
1586 1586 } else {
1587 1587 (void) printf(gettext(" action: The pool can be "
1588 1588 "imported using its name or numeric "
1589 1589 "identifier.\n"));
1590 1590 }
1591 1591 } else if (vs->vs_state == VDEV_STATE_DEGRADED) {
1592 1592 (void) printf(gettext(" action: The pool can be imported "
1593 1593 "despite missing or damaged devices. The\n\tfault "
1594 1594 "tolerance of the pool may be compromised if imported.\n"));
1595 1595 } else {
1596 1596 switch (reason) {
1597 1597 case ZPOOL_STATUS_VERSION_NEWER:
1598 1598 (void) printf(gettext(" action: The pool cannot be "
1599 1599 "imported. Access the pool on a system running "
1600 1600 "newer\n\tsoftware, or recreate the pool from "
1601 1601 "backup.\n"));
1602 1602 break;
1603 1603 case ZPOOL_STATUS_UNSUP_FEAT_READ:
1604 1604 (void) printf(gettext("action: The pool cannot be "
1605 1605 "imported. Access the pool on a system that "
1606 1606 "supports\n\tthe required feature(s), or recreate "
1607 1607 "the pool from backup.\n"));
1608 1608 break;
1609 1609 case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
1610 1610 (void) printf(gettext("action: The pool cannot be "
1611 1611 "imported in read-write mode. Import the pool "
1612 1612 "with\n"
1613 1613 "\t\"-o readonly=on\", access the pool on a system "
1614 1614 "that supports the\n\trequired feature(s), or "
1615 1615 "recreate the pool from backup.\n"));
1616 1616 break;
1617 1617 case ZPOOL_STATUS_MISSING_DEV_R:
1618 1618 case ZPOOL_STATUS_MISSING_DEV_NR:
1619 1619 case ZPOOL_STATUS_BAD_GUID_SUM:
1620 1620 (void) printf(gettext(" action: The pool cannot be "
1621 1621 "imported. Attach the missing\n\tdevices and try "
1622 1622 "again.\n"));
1623 1623 break;
1624 1624 default:
1625 1625 (void) printf(gettext(" action: The pool cannot be "
1626 1626 "imported due to damaged devices or data.\n"));
1627 1627 }
1628 1628 }
1629 1629
1630 1630 /* Print the comment attached to the pool. */
1631 1631 if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0)
1632 1632 (void) printf(gettext("comment: %s\n"), comment);
1633 1633
1634 1634 /*
1635 1635 * If the state is "closed" or "can't open", and the aux state
1636 1636 * is "corrupt data":
1637 1637 */
1638 1638 if (((vs->vs_state == VDEV_STATE_CLOSED) ||
1639 1639 (vs->vs_state == VDEV_STATE_CANT_OPEN)) &&
1640 1640 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) {
1641 1641 if (pool_state == POOL_STATE_DESTROYED)
1642 1642 (void) printf(gettext("\tThe pool was destroyed, "
1643 1643 "but can be imported using the '-Df' flags.\n"));
1644 1644 else if (pool_state != POOL_STATE_EXPORTED)
1645 1645 (void) printf(gettext("\tThe pool may be active on "
1646 1646 "another system, but can be imported using\n\t"
1647 1647 "the '-f' flag.\n"));
1648 1648 }
1649 1649
1650 1650 if (msgid != NULL)
1651 1651 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"),
1652 1652 msgid);
1653 1653
1654 1654 (void) printf(gettext(" config:\n\n"));
1655 1655
1656 1656 namewidth = max_width(NULL, nvroot, 0, 0);
1657 1657 if (namewidth < 10)
1658 1658 namewidth = 10;
1659 1659
1660 1660 print_import_config(name, nvroot, namewidth, 0);
1661 1661 if (num_logs(nvroot) > 0)
1662 1662 print_logs(NULL, nvroot, namewidth, B_FALSE);
1663 1663
1664 1664 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) {
1665 1665 (void) printf(gettext("\n\tAdditional devices are known to "
1666 1666 "be part of this pool, though their\n\texact "
1667 1667 "configuration cannot be determined.\n"));
1668 1668 }
1669 1669 }
1670 1670
1671 1671 /*
1672 1672 * Perform the import for the given configuration. This passes the heavy
1673 1673 * lifting off to zpool_import_props(), and then mounts the datasets contained
1674 1674 * within the pool.
1675 1675 */
1676 1676 static int
1677 1677 do_import(nvlist_t *config, const char *newname, const char *mntopts,
1678 1678 nvlist_t *props, int flags)
1679 1679 {
1680 1680 zpool_handle_t *zhp;
1681 1681 char *name;
1682 1682 uint64_t state;
1683 1683 uint64_t version;
1684 1684
1685 1685 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
1686 1686 &name) == 0);
1687 1687
1688 1688 verify(nvlist_lookup_uint64(config,
1689 1689 ZPOOL_CONFIG_POOL_STATE, &state) == 0);
1690 1690 verify(nvlist_lookup_uint64(config,
1691 1691 ZPOOL_CONFIG_VERSION, &version) == 0);
1692 1692 if (!SPA_VERSION_IS_SUPPORTED(version)) {
1693 1693 (void) fprintf(stderr, gettext("cannot import '%s': pool "
1694 1694 "is formatted using an unsupported ZFS version\n"), name);
1695 1695 return (1);
1696 1696 } else if (state != POOL_STATE_EXPORTED &&
1697 1697 !(flags & ZFS_IMPORT_ANY_HOST)) {
1698 1698 uint64_t hostid;
1699 1699
1700 1700 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID,
1701 1701 &hostid) == 0) {
1702 1702 if ((unsigned long)hostid != gethostid()) {
1703 1703 char *hostname;
1704 1704 uint64_t timestamp;
1705 1705 time_t t;
1706 1706
1707 1707 verify(nvlist_lookup_string(config,
1708 1708 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0);
1709 1709 verify(nvlist_lookup_uint64(config,
1710 1710 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0);
1711 1711 t = timestamp;
1712 1712 (void) fprintf(stderr, gettext("cannot import "
1713 1713 "'%s': pool may be in use from other "
1714 1714 "system, it was last accessed by %s "
1715 1715 "(hostid: 0x%lx) on %s"), name, hostname,
1716 1716 (unsigned long)hostid,
1717 1717 asctime(localtime(&t)));
1718 1718 (void) fprintf(stderr, gettext("use '-f' to "
1719 1719 "import anyway\n"));
1720 1720 return (1);
1721 1721 }
1722 1722 } else {
1723 1723 (void) fprintf(stderr, gettext("cannot import '%s': "
1724 1724 "pool may be in use from other system\n"), name);
1725 1725 (void) fprintf(stderr, gettext("use '-f' to import "
1726 1726 "anyway\n"));
1727 1727 return (1);
1728 1728 }
1729 1729 }
1730 1730
1731 1731 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0)
1732 1732 return (1);
1733 1733
1734 1734 if (newname != NULL)
1735 1735 name = (char *)newname;
1736 1736
1737 1737 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL)
1738 1738 return (1);
1739 1739
1740 1740 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
1741 1741 !(flags & ZFS_IMPORT_ONLY) &&
1742 1742 zpool_enable_datasets(zhp, mntopts, 0) != 0) {
1743 1743 zpool_close(zhp);
1744 1744 return (1);
1745 1745 }
1746 1746
1747 1747 zpool_close(zhp);
1748 1748 return (0);
1749 1749 }
1750 1750
1751 1751 /*
1752 1752 * zpool import [-d dir] [-D]
1753 1753 * import [-o mntopts] [-o prop=value] ... [-R root] [-D]
1754 1754 * [-d dir | -c cachefile] [-f] -a
1755 1755 * import [-o mntopts] [-o prop=value] ... [-R root] [-D]
1756 1756 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool]
1757 1757 *
1758 1758 * -c Read pool information from a cachefile instead of searching
1759 1759 * devices.
1760 1760 *
1761 1761 * -d Scan in a specific directory, other than /dev/dsk. More than
1762 1762 * one directory can be specified using multiple '-d' options.
1763 1763 *
1764 1764 * -D Scan for previously destroyed pools or import all or only
1765 1765 * specified destroyed pools.
1766 1766 *
1767 1767 * -R Temporarily import the pool, with all mountpoints relative to
1768 1768 * the given root. The pool will remain exported when the machine
1769 1769 * is rebooted.
1770 1770 *
1771 1771 * -V Import even in the presence of faulted vdevs. This is an
1772 1772 * intentionally undocumented option for testing purposes, and
1773 1773 * treats the pool configuration as complete, leaving any bad
1774 1774 * vdevs in the FAULTED state. In other words, it does verbatim
1775 1775 * import.
1776 1776 *
1777 1777 * -f Force import, even if it appears that the pool is active.
1778 1778 *
1779 1779 * -F Attempt rewind if necessary.
1780 1780 *
1781 1781 * -n See if rewind would work, but don't actually rewind.
1782 1782 *
1783 1783 * -N Import the pool but don't mount datasets.
1784 1784 *
1785 1785 * -T Specify a starting txg to use for import. This option is
1786 1786 * intentionally undocumented option for testing purposes.
1787 1787 *
1788 1788 * -a Import all pools found.
1789 1789 *
1790 1790 * -o Set property=value and/or temporary mount options (without '=').
1791 1791 *
1792 1792 * The import command scans for pools to import, and import pools based on pool
1793 1793 * name and GUID. The pool can also be renamed as part of the import process.
1794 1794 */
1795 1795 int
1796 1796 zpool_do_import(int argc, char **argv)
1797 1797 {
1798 1798 char **searchdirs = NULL;
1799 1799 int nsearch = 0;
1800 1800 int c;
1801 1801 int err = 0;
1802 1802 nvlist_t *pools = NULL;
1803 1803 boolean_t do_all = B_FALSE;
1804 1804 boolean_t do_destroyed = B_FALSE;
1805 1805 char *mntopts = NULL;
1806 1806 nvpair_t *elem;
1807 1807 nvlist_t *config;
1808 1808 uint64_t searchguid = 0;
1809 1809 char *searchname = NULL;
1810 1810 char *propval;
1811 1811 nvlist_t *found_config;
1812 1812 nvlist_t *policy = NULL;
1813 1813 nvlist_t *props = NULL;
1814 1814 boolean_t first;
1815 1815 int flags = ZFS_IMPORT_NORMAL;
1816 1816 uint32_t rewind_policy = ZPOOL_NO_REWIND;
1817 1817 boolean_t dryrun = B_FALSE;
1818 1818 boolean_t do_rewind = B_FALSE;
1819 1819 boolean_t xtreme_rewind = B_FALSE;
1820 1820 uint64_t pool_state, txg = -1ULL;
1821 1821 char *cachefile = NULL;
1822 1822 importargs_t idata = { 0 };
1823 1823 char *endptr;
1824 1824
1825 1825 /* check options */
1826 1826 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:rR:T:VX")) != -1) {
1827 1827 switch (c) {
1828 1828 case 'a':
1829 1829 do_all = B_TRUE;
1830 1830 break;
1831 1831 case 'c':
1832 1832 cachefile = optarg;
1833 1833 break;
1834 1834 case 'd':
1835 1835 if (searchdirs == NULL) {
1836 1836 searchdirs = safe_malloc(sizeof (char *));
1837 1837 } else {
1838 1838 char **tmp = safe_malloc((nsearch + 1) *
1839 1839 sizeof (char *));
1840 1840 bcopy(searchdirs, tmp, nsearch *
1841 1841 sizeof (char *));
1842 1842 free(searchdirs);
1843 1843 searchdirs = tmp;
1844 1844 }
1845 1845 searchdirs[nsearch++] = optarg;
1846 1846 break;
1847 1847 case 'D':
1848 1848 do_destroyed = B_TRUE;
1849 1849 break;
1850 1850 case 'f':
1851 1851 flags |= ZFS_IMPORT_ANY_HOST;
1852 1852 break;
1853 1853 case 'F':
1854 1854 do_rewind = B_TRUE;
1855 1855 break;
1856 1856 case 'm':
1857 1857 flags |= ZFS_IMPORT_MISSING_LOG;
1858 1858 break;
1859 1859 case 'n':
1860 1860 dryrun = B_TRUE;
1861 1861 break;
1862 1862 case 'N':
1863 1863 flags |= ZFS_IMPORT_ONLY;
1864 1864 break;
1865 1865 case 'o':
1866 1866 if ((propval = strchr(optarg, '=')) != NULL) {
1867 1867 *propval = '\0';
1868 1868 propval++;
1869 1869 if (add_prop_list(optarg, propval,
1870 1870 &props, B_TRUE))
1871 1871 goto error;
1872 1872 } else {
1873 1873 mntopts = optarg;
1874 1874 }
1875 1875 break;
1876 1876 case 'R':
1877 1877 if (add_prop_list(zpool_prop_to_name(
1878 1878 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
1879 1879 goto error;
1880 1880 if (nvlist_lookup_string(props,
1881 1881 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE),
1882 1882 &propval) == 0)
1883 1883 break;
1884 1884 if (add_prop_list(zpool_prop_to_name(
1885 1885 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
1886 1886 goto error;
1887 1887 break;
1888 1888 case 'T':
1889 1889 errno = 0;
1890 1890 txg = strtoull(optarg, &endptr, 10);
1891 1891 if (errno != 0 || *endptr != '\0') {
1892 1892 (void) fprintf(stderr,
1893 1893 gettext("invalid txg value\n"));
1894 1894 usage(B_FALSE);
1895 1895 }
1896 1896 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND;
1897 1897 break;
1898 1898 case 'V':
1899 1899 flags |= ZFS_IMPORT_VERBATIM;
1900 1900 break;
1901 1901 case 'X':
1902 1902 xtreme_rewind = B_TRUE;
1903 1903 break;
1904 1904 case ':':
1905 1905 (void) fprintf(stderr, gettext("missing argument for "
1906 1906 "'%c' option\n"), optopt);
1907 1907 usage(B_FALSE);
1908 1908 break;
1909 1909 case '?':
1910 1910 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1911 1911 optopt);
1912 1912 usage(B_FALSE);
1913 1913 }
1914 1914 }
1915 1915
1916 1916 argc -= optind;
1917 1917 argv += optind;
1918 1918
1919 1919 if (cachefile && nsearch != 0) {
1920 1920 (void) fprintf(stderr, gettext("-c is incompatible with -d\n"));
1921 1921 usage(B_FALSE);
1922 1922 }
1923 1923
1924 1924 if ((dryrun || xtreme_rewind) && !do_rewind) {
1925 1925 (void) fprintf(stderr,
1926 1926 gettext("-n or -X only meaningful with -F\n"));
1927 1927 usage(B_FALSE);
1928 1928 }
1929 1929 if (dryrun)
1930 1930 rewind_policy = ZPOOL_TRY_REWIND;
1931 1931 else if (do_rewind)
1932 1932 rewind_policy = ZPOOL_DO_REWIND;
1933 1933 if (xtreme_rewind)
1934 1934 rewind_policy |= ZPOOL_EXTREME_REWIND;
1935 1935
1936 1936 /* In the future, we can capture further policy and include it here */
1937 1937 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 ||
1938 1938 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 ||
1939 1939 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0)
1940 1940 goto error;
1941 1941
1942 1942 if (searchdirs == NULL) {
1943 1943 searchdirs = safe_malloc(sizeof (char *));
1944 1944 searchdirs[0] = "/dev/dsk";
1945 1945 nsearch = 1;
1946 1946 }
1947 1947
1948 1948 /* check argument count */
1949 1949 if (do_all) {
1950 1950 if (argc != 0) {
1951 1951 (void) fprintf(stderr, gettext("too many arguments\n"));
1952 1952 usage(B_FALSE);
1953 1953 }
1954 1954 } else {
1955 1955 if (argc > 2) {
1956 1956 (void) fprintf(stderr, gettext("too many arguments\n"));
1957 1957 usage(B_FALSE);
1958 1958 }
1959 1959
1960 1960 /*
1961 1961 * Check for the SYS_CONFIG privilege. We do this explicitly
1962 1962 * here because otherwise any attempt to discover pools will
1963 1963 * silently fail.
1964 1964 */
1965 1965 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) {
1966 1966 (void) fprintf(stderr, gettext("cannot "
1967 1967 "discover pools: permission denied\n"));
1968 1968 free(searchdirs);
1969 1969 nvlist_free(policy);
1970 1970 return (1);
1971 1971 }
1972 1972 }
1973 1973
1974 1974 /*
1975 1975 * Depending on the arguments given, we do one of the following:
1976 1976 *
1977 1977 * <none> Iterate through all pools and display information about
1978 1978 * each one.
1979 1979 *
1980 1980 * -a Iterate through all pools and try to import each one.
1981 1981 *
1982 1982 * <id> Find the pool that corresponds to the given GUID/pool
1983 1983 * name and import that one.
1984 1984 *
1985 1985 * -D Above options applies only to destroyed pools.
1986 1986 */
1987 1987 if (argc != 0) {
1988 1988 char *endptr;
1989 1989
1990 1990 errno = 0;
1991 1991 searchguid = strtoull(argv[0], &endptr, 10);
1992 1992 if (errno != 0 || *endptr != '\0') {
1993 1993 searchname = argv[0];
1994 1994 searchguid = 0;
1995 1995 }
1996 1996 found_config = NULL;
1997 1997
1998 1998 /*
1999 1999 * User specified a name or guid. Ensure it's unique.
2000 2000 */
2001 2001 idata.unique = B_TRUE;
2002 2002 }
2003 2003
2004 2004
2005 2005 idata.path = searchdirs;
2006 2006 idata.paths = nsearch;
2007 2007 idata.poolname = searchname;
2008 2008 idata.guid = searchguid;
2009 2009 idata.cachefile = cachefile;
2010 2010
2011 2011 pools = zpool_search_import(g_zfs, &idata);
2012 2012
2013 2013 if (pools != NULL && idata.exists &&
2014 2014 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) {
2015 2015 (void) fprintf(stderr, gettext("cannot import '%s': "
2016 2016 "a pool with that name already exists\n"),
2017 2017 argv[0]);
2018 2018 (void) fprintf(stderr, gettext("use the form '%s "
2019 2019 "<pool | id> <newpool>' to give it a new name\n"),
2020 2020 "zpool import");
2021 2021 err = 1;
2022 2022 } else if (pools == NULL && idata.exists) {
2023 2023 (void) fprintf(stderr, gettext("cannot import '%s': "
2024 2024 "a pool with that name is already created/imported,\n"),
2025 2025 argv[0]);
2026 2026 (void) fprintf(stderr, gettext("and no additional pools "
2027 2027 "with that name were found\n"));
2028 2028 err = 1;
2029 2029 } else if (pools == NULL) {
2030 2030 if (argc != 0) {
2031 2031 (void) fprintf(stderr, gettext("cannot import '%s': "
2032 2032 "no such pool available\n"), argv[0]);
2033 2033 }
2034 2034 err = 1;
2035 2035 }
2036 2036
2037 2037 if (err == 1) {
2038 2038 free(searchdirs);
2039 2039 nvlist_free(policy);
2040 2040 return (1);
2041 2041 }
2042 2042
2043 2043 /*
2044 2044 * At this point we have a list of import candidate configs. Even if
2045 2045 * we were searching by pool name or guid, we still need to
2046 2046 * post-process the list to deal with pool state and possible
2047 2047 * duplicate names.
2048 2048 */
2049 2049 err = 0;
2050 2050 elem = NULL;
2051 2051 first = B_TRUE;
2052 2052 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2053 2053
2054 2054 verify(nvpair_value_nvlist(elem, &config) == 0);
2055 2055
2056 2056 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
2057 2057 &pool_state) == 0);
2058 2058 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED)
2059 2059 continue;
2060 2060 if (do_destroyed && pool_state != POOL_STATE_DESTROYED)
2061 2061 continue;
2062 2062
2063 2063 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY,
2064 2064 policy) == 0);
2065 2065
2066 2066 if (argc == 0) {
2067 2067 if (first)
2068 2068 first = B_FALSE;
2069 2069 else if (!do_all)
2070 2070 (void) printf("\n");
2071 2071
2072 2072 if (do_all) {
2073 2073 err |= do_import(config, NULL, mntopts,
2074 2074 props, flags);
2075 2075 } else {
2076 2076 show_import(config);
2077 2077 }
2078 2078 } else if (searchname != NULL) {
2079 2079 char *name;
2080 2080
2081 2081 /*
2082 2082 * We are searching for a pool based on name.
2083 2083 */
2084 2084 verify(nvlist_lookup_string(config,
2085 2085 ZPOOL_CONFIG_POOL_NAME, &name) == 0);
2086 2086
2087 2087 if (strcmp(name, searchname) == 0) {
2088 2088 if (found_config != NULL) {
2089 2089 (void) fprintf(stderr, gettext(
2090 2090 "cannot import '%s': more than "
2091 2091 "one matching pool\n"), searchname);
2092 2092 (void) fprintf(stderr, gettext(
2093 2093 "import by numeric ID instead\n"));
2094 2094 err = B_TRUE;
2095 2095 }
2096 2096 found_config = config;
2097 2097 }
2098 2098 } else {
2099 2099 uint64_t guid;
2100 2100
2101 2101 /*
2102 2102 * Search for a pool by guid.
2103 2103 */
2104 2104 verify(nvlist_lookup_uint64(config,
2105 2105 ZPOOL_CONFIG_POOL_GUID, &guid) == 0);
2106 2106
2107 2107 if (guid == searchguid)
2108 2108 found_config = config;
2109 2109 }
2110 2110 }
2111 2111
2112 2112 /*
2113 2113 * If we were searching for a specific pool, verify that we found a
2114 2114 * pool, and then do the import.
2115 2115 */
2116 2116 if (argc != 0 && err == 0) {
2117 2117 if (found_config == NULL) {
2118 2118 (void) fprintf(stderr, gettext("cannot import '%s': "
2119 2119 "no such pool available\n"), argv[0]);
2120 2120 err = B_TRUE;
2121 2121 } else {
2122 2122 err |= do_import(found_config, argc == 1 ? NULL :
2123 2123 argv[1], mntopts, props, flags);
2124 2124 }
2125 2125 }
2126 2126
2127 2127 /*
2128 2128 * If we were just looking for pools, report an error if none were
2129 2129 * found.
2130 2130 */
2131 2131 if (argc == 0 && first)
2132 2132 (void) fprintf(stderr,
2133 2133 gettext("no pools available to import\n"));
2134 2134
2135 2135 error:
2136 2136 nvlist_free(props);
2137 2137 nvlist_free(pools);
2138 2138 nvlist_free(policy);
2139 2139 free(searchdirs);
2140 2140
2141 2141 return (err ? 1 : 0);
2142 2142 }
2143 2143
2144 2144 typedef struct iostat_cbdata {
2145 2145 boolean_t cb_verbose;
2146 2146 int cb_namewidth;
2147 2147 int cb_iteration;
2148 2148 zpool_list_t *cb_list;
2149 2149 } iostat_cbdata_t;
2150 2150
2151 2151 static void
2152 2152 print_iostat_separator(iostat_cbdata_t *cb)
2153 2153 {
2154 2154 int i = 0;
2155 2155
2156 2156 for (i = 0; i < cb->cb_namewidth; i++)
2157 2157 (void) printf("-");
2158 2158 (void) printf(" ----- ----- ----- ----- ----- -----\n");
2159 2159 }
2160 2160
2161 2161 static void
2162 2162 print_iostat_header(iostat_cbdata_t *cb)
2163 2163 {
2164 2164 (void) printf("%*s capacity operations bandwidth\n",
2165 2165 cb->cb_namewidth, "");
2166 2166 (void) printf("%-*s alloc free read write read write\n",
2167 2167 cb->cb_namewidth, "pool");
2168 2168 print_iostat_separator(cb);
2169 2169 }
2170 2170
2171 2171 /*
2172 2172 * Display a single statistic.
2173 2173 */
2174 2174 static void
2175 2175 print_one_stat(uint64_t value)
2176 2176 {
2177 2177 char buf[64];
2178 2178
2179 2179 zfs_nicenum(value, buf, sizeof (buf));
2180 2180 (void) printf(" %5s", buf);
2181 2181 }
2182 2182
2183 2183 /*
2184 2184 * Print out all the statistics for the given vdev. This can either be the
2185 2185 * toplevel configuration, or called recursively. If 'name' is NULL, then this
2186 2186 * is a verbose output, and we don't want to display the toplevel pool stats.
2187 2187 */
2188 2188 void
2189 2189 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv,
2190 2190 nvlist_t *newnv, iostat_cbdata_t *cb, int depth)
2191 2191 {
2192 2192 nvlist_t **oldchild, **newchild;
2193 2193 uint_t c, children;
2194 2194 vdev_stat_t *oldvs, *newvs;
2195 2195 vdev_stat_t zerovs = { 0 };
2196 2196 uint64_t tdelta;
2197 2197 double scale;
2198 2198 char *vname;
2199 2199
2200 2200 if (oldnv != NULL) {
2201 2201 verify(nvlist_lookup_uint64_array(oldnv,
2202 2202 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0);
2203 2203 } else {
2204 2204 oldvs = &zerovs;
2205 2205 }
2206 2206
2207 2207 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS,
2208 2208 (uint64_t **)&newvs, &c) == 0);
2209 2209
2210 2210 if (strlen(name) + depth > cb->cb_namewidth)
2211 2211 (void) printf("%*s%s", depth, "", name);
2212 2212 else
2213 2213 (void) printf("%*s%s%*s", depth, "", name,
2214 2214 (int)(cb->cb_namewidth - strlen(name) - depth), "");
2215 2215
2216 2216 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp;
2217 2217
2218 2218 if (tdelta == 0)
2219 2219 scale = 1.0;
2220 2220 else
2221 2221 scale = (double)NANOSEC / tdelta;
2222 2222
2223 2223 /* only toplevel vdevs have capacity stats */
2224 2224 if (newvs->vs_space == 0) {
2225 2225 (void) printf(" - -");
2226 2226 } else {
2227 2227 print_one_stat(newvs->vs_alloc);
2228 2228 print_one_stat(newvs->vs_space - newvs->vs_alloc);
2229 2229 }
2230 2230
2231 2231 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] -
2232 2232 oldvs->vs_ops[ZIO_TYPE_READ])));
2233 2233
2234 2234 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] -
2235 2235 oldvs->vs_ops[ZIO_TYPE_WRITE])));
2236 2236
2237 2237 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] -
2238 2238 oldvs->vs_bytes[ZIO_TYPE_READ])));
2239 2239
2240 2240 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] -
2241 2241 oldvs->vs_bytes[ZIO_TYPE_WRITE])));
2242 2242
2243 2243 (void) printf("\n");
2244 2244
2245 2245 if (!cb->cb_verbose)
2246 2246 return;
2247 2247
2248 2248 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN,
2249 2249 &newchild, &children) != 0)
2250 2250 return;
2251 2251
2252 2252 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN,
2253 2253 &oldchild, &c) != 0)
2254 2254 return;
2255 2255
2256 2256 for (c = 0; c < children; c++) {
2257 2257 uint64_t ishole = B_FALSE, islog = B_FALSE;
2258 2258
2259 2259 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE,
2260 2260 &ishole);
2261 2261
2262 2262 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG,
2263 2263 &islog);
2264 2264
2265 2265 if (ishole || islog)
2266 2266 continue;
2267 2267
2268 2268 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE);
2269 2269 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL,
2270 2270 newchild[c], cb, depth + 2);
2271 2271 free(vname);
2272 2272 }
2273 2273
2274 2274 /*
2275 2275 * Log device section
2276 2276 */
2277 2277
2278 2278 if (num_logs(newnv) > 0) {
2279 2279 (void) printf("%-*s - - - - - "
2280 2280 "-\n", cb->cb_namewidth, "logs");
2281 2281
2282 2282 for (c = 0; c < children; c++) {
2283 2283 uint64_t islog = B_FALSE;
2284 2284 (void) nvlist_lookup_uint64(newchild[c],
2285 2285 ZPOOL_CONFIG_IS_LOG, &islog);
2286 2286
2287 2287 if (islog) {
2288 2288 vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
2289 2289 B_FALSE);
2290 2290 print_vdev_stats(zhp, vname, oldnv ?
2291 2291 oldchild[c] : NULL, newchild[c],
2292 2292 cb, depth + 2);
2293 2293 free(vname);
2294 2294 }
2295 2295 }
2296 2296
2297 2297 }
2298 2298
2299 2299 /*
2300 2300 * Include level 2 ARC devices in iostat output
2301 2301 */
2302 2302 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE,
2303 2303 &newchild, &children) != 0)
2304 2304 return;
2305 2305
2306 2306 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE,
2307 2307 &oldchild, &c) != 0)
2308 2308 return;
2309 2309
2310 2310 if (children > 0) {
2311 2311 (void) printf("%-*s - - - - - "
2312 2312 "-\n", cb->cb_namewidth, "cache");
2313 2313 for (c = 0; c < children; c++) {
2314 2314 vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
2315 2315 B_FALSE);
2316 2316 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL,
2317 2317 newchild[c], cb, depth + 2);
2318 2318 free(vname);
2319 2319 }
2320 2320 }
2321 2321 }
2322 2322
2323 2323 static int
2324 2324 refresh_iostat(zpool_handle_t *zhp, void *data)
2325 2325 {
2326 2326 iostat_cbdata_t *cb = data;
2327 2327 boolean_t missing;
2328 2328
2329 2329 /*
2330 2330 * If the pool has disappeared, remove it from the list and continue.
2331 2331 */
2332 2332 if (zpool_refresh_stats(zhp, &missing) != 0)
2333 2333 return (-1);
2334 2334
2335 2335 if (missing)
2336 2336 pool_list_remove(cb->cb_list, zhp);
2337 2337
2338 2338 return (0);
2339 2339 }
2340 2340
2341 2341 /*
2342 2342 * Callback to print out the iostats for the given pool.
2343 2343 */
2344 2344 int
2345 2345 print_iostat(zpool_handle_t *zhp, void *data)
2346 2346 {
2347 2347 iostat_cbdata_t *cb = data;
2348 2348 nvlist_t *oldconfig, *newconfig;
2349 2349 nvlist_t *oldnvroot, *newnvroot;
2350 2350
2351 2351 newconfig = zpool_get_config(zhp, &oldconfig);
2352 2352
2353 2353 if (cb->cb_iteration == 1)
2354 2354 oldconfig = NULL;
2355 2355
2356 2356 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE,
2357 2357 &newnvroot) == 0);
2358 2358
2359 2359 if (oldconfig == NULL)
2360 2360 oldnvroot = NULL;
2361 2361 else
2362 2362 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE,
2363 2363 &oldnvroot) == 0);
2364 2364
2365 2365 /*
2366 2366 * Print out the statistics for the pool.
2367 2367 */
2368 2368 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0);
2369 2369
2370 2370 if (cb->cb_verbose)
2371 2371 print_iostat_separator(cb);
2372 2372
2373 2373 return (0);
2374 2374 }
2375 2375
2376 2376 int
2377 2377 get_namewidth(zpool_handle_t *zhp, void *data)
2378 2378 {
2379 2379 iostat_cbdata_t *cb = data;
2380 2380 nvlist_t *config, *nvroot;
2381 2381
2382 2382 if ((config = zpool_get_config(zhp, NULL)) != NULL) {
2383 2383 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2384 2384 &nvroot) == 0);
2385 2385 if (!cb->cb_verbose)
2386 2386 cb->cb_namewidth = strlen(zpool_get_name(zhp));
2387 2387 else
2388 2388 cb->cb_namewidth = max_width(zhp, nvroot, 0,
2389 2389 cb->cb_namewidth);
2390 2390 }
2391 2391
2392 2392 /*
2393 2393 * The width must fall into the range [10,38]. The upper limit is the
2394 2394 * maximum we can have and still fit in 80 columns.
2395 2395 */
2396 2396 if (cb->cb_namewidth < 10)
2397 2397 cb->cb_namewidth = 10;
2398 2398 if (cb->cb_namewidth > 38)
2399 2399 cb->cb_namewidth = 38;
2400 2400
2401 2401 return (0);
2402 2402 }
2403 2403
2404 2404 /*
2405 2405 * Parse the input string, get the 'interval' and 'count' value if there is one.
2406 2406 */
2407 2407 static void
2408 2408 get_interval_count(int *argcp, char **argv, unsigned long *iv,
2409 2409 unsigned long *cnt)
2410 2410 {
2411 2411 unsigned long interval = 0, count = 0;
2412 2412 int argc = *argcp, errno;
2413 2413
2414 2414 /*
2415 2415 * Determine if the last argument is an integer or a pool name
2416 2416 */
2417 2417 if (argc > 0 && isdigit(argv[argc - 1][0])) {
2418 2418 char *end;
2419 2419
2420 2420 errno = 0;
2421 2421 interval = strtoul(argv[argc - 1], &end, 10);
2422 2422
2423 2423 if (*end == '\0' && errno == 0) {
2424 2424 if (interval == 0) {
2425 2425 (void) fprintf(stderr, gettext("interval "
2426 2426 "cannot be zero\n"));
2427 2427 usage(B_FALSE);
2428 2428 }
2429 2429 /*
2430 2430 * Ignore the last parameter
2431 2431 */
2432 2432 argc--;
2433 2433 } else {
2434 2434 /*
2435 2435 * If this is not a valid number, just plow on. The
2436 2436 * user will get a more informative error message later
2437 2437 * on.
2438 2438 */
2439 2439 interval = 0;
2440 2440 }
2441 2441 }
2442 2442
2443 2443 /*
2444 2444 * If the last argument is also an integer, then we have both a count
2445 2445 * and an interval.
2446 2446 */
2447 2447 if (argc > 0 && isdigit(argv[argc - 1][0])) {
2448 2448 char *end;
2449 2449
2450 2450 errno = 0;
2451 2451 count = interval;
2452 2452 interval = strtoul(argv[argc - 1], &end, 10);
2453 2453
2454 2454 if (*end == '\0' && errno == 0) {
2455 2455 if (interval == 0) {
2456 2456 (void) fprintf(stderr, gettext("interval "
2457 2457 "cannot be zero\n"));
2458 2458 usage(B_FALSE);
2459 2459 }
2460 2460
2461 2461 /*
2462 2462 * Ignore the last parameter
2463 2463 */
2464 2464 argc--;
2465 2465 } else {
2466 2466 interval = 0;
2467 2467 }
2468 2468 }
2469 2469
2470 2470 *iv = interval;
2471 2471 *cnt = count;
2472 2472 *argcp = argc;
2473 2473 }
2474 2474
2475 2475 static void
2476 2476 get_timestamp_arg(char c)
2477 2477 {
2478 2478 if (c == 'u')
2479 2479 timestamp_fmt = UDATE;
2480 2480 else if (c == 'd')
2481 2481 timestamp_fmt = DDATE;
2482 2482 else
2483 2483 usage(B_FALSE);
2484 2484 }
2485 2485
2486 2486 /*
2487 2487 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]]
2488 2488 *
2489 2489 * -v Display statistics for individual vdevs
2490 2490 * -T Display a timestamp in date(1) or Unix format
2491 2491 *
2492 2492 * This command can be tricky because we want to be able to deal with pool
2493 2493 * creation/destruction as well as vdev configuration changes. The bulk of this
2494 2494 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely
2495 2495 * on pool_list_update() to detect the addition of new pools. Configuration
2496 2496 * changes are all handled within libzfs.
2497 2497 */
2498 2498 int
2499 2499 zpool_do_iostat(int argc, char **argv)
2500 2500 {
2501 2501 int c;
2502 2502 int ret;
2503 2503 int npools;
2504 2504 unsigned long interval = 0, count = 0;
2505 2505 zpool_list_t *list;
2506 2506 boolean_t verbose = B_FALSE;
2507 2507 iostat_cbdata_t cb;
2508 2508
2509 2509 /* check options */
2510 2510 while ((c = getopt(argc, argv, "T:v")) != -1) {
2511 2511 switch (c) {
2512 2512 case 'T':
2513 2513 get_timestamp_arg(*optarg);
2514 2514 break;
2515 2515 case 'v':
2516 2516 verbose = B_TRUE;
2517 2517 break;
2518 2518 case '?':
2519 2519 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2520 2520 optopt);
2521 2521 usage(B_FALSE);
2522 2522 }
2523 2523 }
2524 2524
2525 2525 argc -= optind;
2526 2526 argv += optind;
2527 2527
2528 2528 get_interval_count(&argc, argv, &interval, &count);
2529 2529
2530 2530 /*
2531 2531 * Construct the list of all interesting pools.
2532 2532 */
2533 2533 ret = 0;
2534 2534 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL)
2535 2535 return (1);
2536 2536
2537 2537 if (pool_list_count(list) == 0 && argc != 0) {
2538 2538 pool_list_free(list);
2539 2539 return (1);
2540 2540 }
2541 2541
2542 2542 if (pool_list_count(list) == 0 && interval == 0) {
2543 2543 pool_list_free(list);
2544 2544 (void) fprintf(stderr, gettext("no pools available\n"));
2545 2545 return (1);
2546 2546 }
2547 2547
2548 2548 /*
2549 2549 * Enter the main iostat loop.
2550 2550 */
2551 2551 cb.cb_list = list;
2552 2552 cb.cb_verbose = verbose;
2553 2553 cb.cb_iteration = 0;
2554 2554 cb.cb_namewidth = 0;
2555 2555
2556 2556 for (;;) {
2557 2557 pool_list_update(list);
2558 2558
2559 2559 if ((npools = pool_list_count(list)) == 0)
2560 2560 break;
2561 2561
2562 2562 /*
2563 2563 * Refresh all statistics. This is done as an explicit step
2564 2564 * before calculating the maximum name width, so that any
2565 2565 * configuration changes are properly accounted for.
2566 2566 */
2567 2567 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb);
2568 2568
2569 2569 /*
2570 2570 * Iterate over all pools to determine the maximum width
2571 2571 * for the pool / device name column across all pools.
2572 2572 */
2573 2573 cb.cb_namewidth = 0;
2574 2574 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb);
2575 2575
2576 2576 if (timestamp_fmt != NODATE)
2577 2577 print_timestamp(timestamp_fmt);
2578 2578
2579 2579 /*
2580 2580 * If it's the first time, or verbose mode, print the header.
2581 2581 */
2582 2582 if (++cb.cb_iteration == 1 || verbose)
2583 2583 print_iostat_header(&cb);
2584 2584
2585 2585 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb);
2586 2586
2587 2587 /*
2588 2588 * If there's more than one pool, and we're not in verbose mode
2589 2589 * (which prints a separator for us), then print a separator.
2590 2590 */
2591 2591 if (npools > 1 && !verbose)
2592 2592 print_iostat_separator(&cb);
2593 2593
2594 2594 if (verbose)
2595 2595 (void) printf("\n");
2596 2596
2597 2597 /*
2598 2598 * Flush the output so that redirection to a file isn't buffered
2599 2599 * indefinitely.
2600 2600 */
2601 2601 (void) fflush(stdout);
2602 2602
2603 2603 if (interval == 0)
2604 2604 break;
2605 2605
2606 2606 if (count != 0 && --count == 0)
2607 2607 break;
2608 2608
2609 2609 (void) sleep(interval);
2610 2610 }
2611 2611
2612 2612 pool_list_free(list);
2613 2613
2614 2614 return (ret);
2615 2615 }
2616 2616
2617 2617 typedef struct list_cbdata {
2618 2618 boolean_t cb_verbose;
2619 2619 int cb_namewidth;
2620 2620 boolean_t cb_scripted;
2621 2621 zprop_list_t *cb_proplist;
2622 2622 } list_cbdata_t;
2623 2623
2624 2624 /*
2625 2625 * Given a list of columns to display, output appropriate headers for each one.
2626 2626 */
2627 2627 static void
2628 2628 print_header(list_cbdata_t *cb)
2629 2629 {
2630 2630 zprop_list_t *pl = cb->cb_proplist;
2631 2631 char headerbuf[ZPOOL_MAXPROPLEN];
2632 2632 const char *header;
2633 2633 boolean_t first = B_TRUE;
2634 2634 boolean_t right_justify;
2635 2635 size_t width = 0;
2636 2636
2637 2637 for (; pl != NULL; pl = pl->pl_next) {
2638 2638 width = pl->pl_width;
2639 2639 if (first && cb->cb_verbose) {
2640 2640 /*
2641 2641 * Reset the width to accommodate the verbose listing
2642 2642 * of devices.
2643 2643 */
2644 2644 width = cb->cb_namewidth;
2645 2645 }
2646 2646
2647 2647 if (!first)
2648 2648 (void) printf(" ");
2649 2649 else
2650 2650 first = B_FALSE;
2651 2651
2652 2652 right_justify = B_FALSE;
2653 2653 if (pl->pl_prop != ZPROP_INVAL) {
2654 2654 header = zpool_prop_column_name(pl->pl_prop);
2655 2655 right_justify = zpool_prop_align_right(pl->pl_prop);
2656 2656 } else {
2657 2657 int i;
2658 2658
2659 2659 for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
2660 2660 headerbuf[i] = toupper(pl->pl_user_prop[i]);
2661 2661 headerbuf[i] = '\0';
2662 2662 header = headerbuf;
2663 2663 }
2664 2664
2665 2665 if (pl->pl_next == NULL && !right_justify)
2666 2666 (void) printf("%s", header);
2667 2667 else if (right_justify)
2668 2668 (void) printf("%*s", width, header);
2669 2669 else
2670 2670 (void) printf("%-*s", width, header);
2671 2671
2672 2672 }
2673 2673
2674 2674 (void) printf("\n");
2675 2675 }
2676 2676
2677 2677 /*
2678 2678 * Given a pool and a list of properties, print out all the properties according
2679 2679 * to the described layout.
2680 2680 */
2681 2681 static void
2682 2682 print_pool(zpool_handle_t *zhp, list_cbdata_t *cb)
2683 2683 {
2684 2684 zprop_list_t *pl = cb->cb_proplist;
2685 2685 boolean_t first = B_TRUE;
2686 2686 char property[ZPOOL_MAXPROPLEN];
2687 2687 char *propstr;
2688 2688 boolean_t right_justify;
2689 2689 size_t width;
2690 2690
2691 2691 for (; pl != NULL; pl = pl->pl_next) {
2692 2692
2693 2693 width = pl->pl_width;
2694 2694 if (first && cb->cb_verbose) {
2695 2695 /*
2696 2696 * Reset the width to accommodate the verbose listing
2697 2697 * of devices.
2698 2698 */
2699 2699 width = cb->cb_namewidth;
2700 2700 }
2701 2701
2702 2702 if (!first) {
2703 2703 if (cb->cb_scripted)
2704 2704 (void) printf("\t");
2705 2705 else
2706 2706 (void) printf(" ");
2707 2707 } else {
2708 2708 first = B_FALSE;
2709 2709 }
2710 2710
2711 2711 right_justify = B_FALSE;
2712 2712 if (pl->pl_prop != ZPROP_INVAL) {
2713 2713 if (pl->pl_prop == ZPOOL_PROP_EXPANDSZ &&
2714 2714 zpool_get_prop_int(zhp, pl->pl_prop, NULL) == 0)
2715 2715 propstr = "-";
2716 2716 else if (zpool_get_prop(zhp, pl->pl_prop, property,
2717 2717 sizeof (property), NULL) != 0)
2718 2718 propstr = "-";
2719 2719 else
2720 2720 propstr = property;
2721 2721
2722 2722 right_justify = zpool_prop_align_right(pl->pl_prop);
2723 2723 } else if ((zpool_prop_feature(pl->pl_user_prop) ||
2724 2724 zpool_prop_unsupported(pl->pl_user_prop)) &&
2725 2725 zpool_prop_get_feature(zhp, pl->pl_user_prop, property,
2726 2726 sizeof (property)) == 0) {
2727 2727 propstr = property;
2728 2728 } else {
2729 2729 propstr = "-";
2730 2730 }
2731 2731
2732 2732
2733 2733 /*
2734 2734 * If this is being called in scripted mode, or if this is the
2735 2735 * last column and it is left-justified, don't include a width
2736 2736 * format specifier.
2737 2737 */
2738 2738 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
2739 2739 (void) printf("%s", propstr);
2740 2740 else if (right_justify)
2741 2741 (void) printf("%*s", width, propstr);
2742 2742 else
2743 2743 (void) printf("%-*s", width, propstr);
2744 2744 }
2745 2745
2746 2746 (void) printf("\n");
2747 2747 }
2748 2748
2749 2749 static void
2750 2750 print_one_column(zpool_prop_t prop, uint64_t value, boolean_t scripted)
2751 2751 {
2752 2752 char propval[64];
2753 2753 boolean_t fixed;
2754 2754 size_t width = zprop_width(prop, &fixed, ZFS_TYPE_POOL);
2755 2755
2756 2756 zfs_nicenum(value, propval, sizeof (propval));
2757 2757
2758 2758 if (prop == ZPOOL_PROP_EXPANDSZ && value == 0)
2759 2759 (void) strlcpy(propval, "-", sizeof (propval));
2760 2760
2761 2761 if (scripted)
2762 2762 (void) printf("\t%s", propval);
2763 2763 else
2764 2764 (void) printf(" %*s", width, propval);
2765 2765 }
2766 2766
2767 2767 void
2768 2768 print_list_stats(zpool_handle_t *zhp, const char *name, nvlist_t *nv,
2769 2769 list_cbdata_t *cb, int depth)
2770 2770 {
2771 2771 nvlist_t **child;
2772 2772 vdev_stat_t *vs;
2773 2773 uint_t c, children;
2774 2774 char *vname;
2775 2775 boolean_t scripted = cb->cb_scripted;
2776 2776
2777 2777 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
2778 2778 (uint64_t **)&vs, &c) == 0);
2779 2779
2780 2780 if (name != NULL) {
2781 2781 if (scripted)
2782 2782 (void) printf("\t%s", name);
2783 2783 else if (strlen(name) + depth > cb->cb_namewidth)
2784 2784 (void) printf("%*s%s", depth, "", name);
2785 2785 else
2786 2786 (void) printf("%*s%s%*s", depth, "", name,
2787 2787 (int)(cb->cb_namewidth - strlen(name) - depth), "");
2788 2788
2789 2789 /* only toplevel vdevs have capacity stats */
2790 2790 if (vs->vs_space == 0) {
2791 2791 if (scripted)
2792 2792 (void) printf("\t-\t-\t-");
2793 2793 else
2794 2794 (void) printf(" - - -");
2795 2795 } else {
2796 2796 print_one_column(ZPOOL_PROP_SIZE, vs->vs_space,
2797 2797 scripted);
2798 2798 print_one_column(ZPOOL_PROP_CAPACITY, vs->vs_alloc,
2799 2799 scripted);
2800 2800 print_one_column(ZPOOL_PROP_FREE,
2801 2801 vs->vs_space - vs->vs_alloc, scripted);
2802 2802 }
2803 2803 print_one_column(ZPOOL_PROP_EXPANDSZ, vs->vs_esize,
2804 2804 scripted);
2805 2805 (void) printf("\n");
2806 2806 }
2807 2807
2808 2808 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
2809 2809 &child, &children) != 0)
2810 2810 return;
2811 2811
2812 2812 for (c = 0; c < children; c++) {
2813 2813 uint64_t ishole = B_FALSE;
2814 2814
2815 2815 if (nvlist_lookup_uint64(child[c],
2816 2816 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole)
2817 2817 continue;
2818 2818
2819 2819 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE);
2820 2820 print_list_stats(zhp, vname, child[c], cb, depth + 2);
2821 2821 free(vname);
2822 2822 }
2823 2823
2824 2824 /*
2825 2825 * Include level 2 ARC devices in iostat output
2826 2826 */
2827 2827 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
2828 2828 &child, &children) != 0)
2829 2829 return;
2830 2830
2831 2831 if (children > 0) {
2832 2832 (void) printf("%-*s - - - - - "
2833 2833 "-\n", cb->cb_namewidth, "cache");
2834 2834 for (c = 0; c < children; c++) {
2835 2835 vname = zpool_vdev_name(g_zfs, zhp, child[c],
2836 2836 B_FALSE);
2837 2837 print_list_stats(zhp, vname, child[c], cb, depth + 2);
2838 2838 free(vname);
2839 2839 }
2840 2840 }
2841 2841 }
2842 2842
2843 2843
2844 2844 /*
2845 2845 * Generic callback function to list a pool.
2846 2846 */
2847 2847 int
2848 2848 list_callback(zpool_handle_t *zhp, void *data)
2849 2849 {
2850 2850 list_cbdata_t *cbp = data;
2851 2851 nvlist_t *config;
2852 2852 nvlist_t *nvroot;
2853 2853
2854 2854 config = zpool_get_config(zhp, NULL);
2855 2855
2856 2856 print_pool(zhp, cbp);
2857 2857 if (!cbp->cb_verbose)
2858 2858 return (0);
2859 2859
2860 2860 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2861 2861 &nvroot) == 0);
2862 2862 print_list_stats(zhp, NULL, nvroot, cbp, 0);
2863 2863
2864 2864 return (0);
2865 2865 }
2866 2866
2867 2867 /*
2868 2868 * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]]
2869 2869 *
2870 2870 * -H Scripted mode. Don't display headers, and separate properties
2871 2871 * by a single tab.
2872 2872 * -o List of properties to display. Defaults to
2873 2873 * "name,size,allocated,free,capacity,health,altroot"
2874 2874 * -T Display a timestamp in date(1) or Unix format
2875 2875 *
2876 2876 * List all pools in the system, whether or not they're healthy. Output space
2877 2877 * statistics for each one, as well as health status summary.
2878 2878 */
2879 2879 int
2880 2880 zpool_do_list(int argc, char **argv)
2881 2881 {
2882 2882 int c;
2883 2883 int ret;
2884 2884 list_cbdata_t cb = { 0 };
2885 2885 static char default_props[] =
2886 2886 "name,size,allocated,free,expandsize,capacity,dedupratio,"
2887 2887 "health,altroot";
2888 2888 char *props = default_props;
2889 2889 unsigned long interval = 0, count = 0;
2890 2890 zpool_list_t *list;
2891 2891 boolean_t first = B_TRUE;
2892 2892
2893 2893 /* check options */
2894 2894 while ((c = getopt(argc, argv, ":Ho:T:v")) != -1) {
2895 2895 switch (c) {
2896 2896 case 'H':
2897 2897 cb.cb_scripted = B_TRUE;
2898 2898 break;
2899 2899 case 'o':
2900 2900 props = optarg;
2901 2901 break;
2902 2902 case 'T':
2903 2903 get_timestamp_arg(*optarg);
2904 2904 break;
2905 2905 case 'v':
2906 2906 cb.cb_verbose = B_TRUE;
2907 2907 break;
2908 2908 case ':':
2909 2909 (void) fprintf(stderr, gettext("missing argument for "
2910 2910 "'%c' option\n"), optopt);
2911 2911 usage(B_FALSE);
2912 2912 break;
2913 2913 case '?':
2914 2914 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2915 2915 optopt);
2916 2916 usage(B_FALSE);
2917 2917 }
2918 2918 }
2919 2919
2920 2920 argc -= optind;
2921 2921 argv += optind;
2922 2922
2923 2923 get_interval_count(&argc, argv, &interval, &count);
2924 2924
2925 2925 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0)
2926 2926 usage(B_FALSE);
2927 2927
2928 2928 if ((list = pool_list_get(argc, argv, &cb.cb_proplist, &ret)) == NULL)
2929 2929 return (1);
2930 2930
2931 2931 if (argc == 0 && !cb.cb_scripted && pool_list_count(list) == 0) {
2932 2932 (void) printf(gettext("no pools available\n"));
2933 2933 zprop_free_list(cb.cb_proplist);
2934 2934 return (0);
2935 2935 }
2936 2936
2937 2937 for (;;) {
2938 2938 pool_list_update(list);
2939 2939
2940 2940 if (pool_list_count(list) == 0)
2941 2941 break;
2942 2942
2943 2943 cb.cb_namewidth = 0;
2944 2944 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb);
2945 2945
2946 2946 if (timestamp_fmt != NODATE)
2947 2947 print_timestamp(timestamp_fmt);
2948 2948
2949 2949 if (!cb.cb_scripted && (first || cb.cb_verbose)) {
2950 2950 print_header(&cb);
2951 2951 first = B_FALSE;
2952 2952 }
2953 2953 ret = pool_list_iter(list, B_TRUE, list_callback, &cb);
2954 2954
2955 2955 if (interval == 0)
2956 2956 break;
2957 2957
2958 2958 if (count != 0 && --count == 0)
2959 2959 break;
2960 2960
2961 2961 (void) sleep(interval);
2962 2962 }
2963 2963
2964 2964 zprop_free_list(cb.cb_proplist);
2965 2965 return (ret);
2966 2966 }
2967 2967
2968 2968 static nvlist_t *
2969 2969 zpool_get_vdev_by_name(nvlist_t *nv, char *name)
2970 2970 {
2971 2971 nvlist_t **child;
2972 2972 uint_t c, children;
2973 2973 nvlist_t *match;
2974 2974 char *path;
2975 2975
2976 2976 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
2977 2977 &child, &children) != 0) {
2978 2978 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0);
2979 2979 if (strncmp(name, "/dev/dsk/", 9) == 0)
2980 2980 name += 9;
2981 2981 if (strncmp(path, "/dev/dsk/", 9) == 0)
2982 2982 path += 9;
2983 2983 if (strcmp(name, path) == 0)
2984 2984 return (nv);
2985 2985 return (NULL);
2986 2986 }
2987 2987
2988 2988 for (c = 0; c < children; c++)
2989 2989 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL)
2990 2990 return (match);
2991 2991
2992 2992 return (NULL);
2993 2993 }
2994 2994
2995 2995 static int
2996 2996 zpool_do_attach_or_replace(int argc, char **argv, int replacing)
2997 2997 {
2998 2998 boolean_t force = B_FALSE;
2999 2999 int c;
3000 3000 nvlist_t *nvroot;
3001 3001 char *poolname, *old_disk, *new_disk;
3002 3002 zpool_handle_t *zhp;
3003 3003 int ret;
3004 3004
3005 3005 /* check options */
3006 3006 while ((c = getopt(argc, argv, "f")) != -1) {
3007 3007 switch (c) {
3008 3008 case 'f':
3009 3009 force = B_TRUE;
3010 3010 break;
3011 3011 case '?':
3012 3012 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3013 3013 optopt);
3014 3014 usage(B_FALSE);
3015 3015 }
3016 3016 }
3017 3017
3018 3018 argc -= optind;
3019 3019 argv += optind;
3020 3020
3021 3021 /* get pool name and check number of arguments */
3022 3022 if (argc < 1) {
3023 3023 (void) fprintf(stderr, gettext("missing pool name argument\n"));
3024 3024 usage(B_FALSE);
3025 3025 }
3026 3026
3027 3027 poolname = argv[0];
3028 3028
3029 3029 if (argc < 2) {
3030 3030 (void) fprintf(stderr,
3031 3031 gettext("missing <device> specification\n"));
3032 3032 usage(B_FALSE);
3033 3033 }
3034 3034
3035 3035 old_disk = argv[1];
3036 3036
3037 3037 if (argc < 3) {
3038 3038 if (!replacing) {
3039 3039 (void) fprintf(stderr,
3040 3040 gettext("missing <new_device> specification\n"));
3041 3041 usage(B_FALSE);
3042 3042 }
3043 3043 new_disk = old_disk;
3044 3044 argc -= 1;
3045 3045 argv += 1;
3046 3046 } else {
3047 3047 new_disk = argv[2];
3048 3048 argc -= 2;
3049 3049 argv += 2;
3050 3050 }
3051 3051
3052 3052 if (argc > 1) {
3053 3053 (void) fprintf(stderr, gettext("too many arguments\n"));
3054 3054 usage(B_FALSE);
3055 3055 }
3056 3056
3057 3057 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3058 3058 return (1);
3059 3059
3060 3060 if (zpool_get_config(zhp, NULL) == NULL) {
3061 3061 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
3062 3062 poolname);
3063 3063 zpool_close(zhp);
3064 3064 return (1);
3065 3065 }
3066 3066
3067 3067 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE,
3068 3068 argc, argv);
3069 3069 if (nvroot == NULL) {
3070 3070 zpool_close(zhp);
3071 3071 return (1);
3072 3072 }
3073 3073
3074 3074 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing);
3075 3075
3076 3076 nvlist_free(nvroot);
3077 3077 zpool_close(zhp);
3078 3078
3079 3079 return (ret);
3080 3080 }
3081 3081
3082 3082 /*
3083 3083 * zpool replace [-f] <pool> <device> <new_device>
3084 3084 *
3085 3085 * -f Force attach, even if <new_device> appears to be in use.
3086 3086 *
3087 3087 * Replace <device> with <new_device>.
3088 3088 */
3089 3089 /* ARGSUSED */
3090 3090 int
3091 3091 zpool_do_replace(int argc, char **argv)
3092 3092 {
3093 3093 return (zpool_do_attach_or_replace(argc, argv, B_TRUE));
3094 3094 }
3095 3095
3096 3096 /*
3097 3097 * zpool attach [-f] <pool> <device> <new_device>
3098 3098 *
3099 3099 * -f Force attach, even if <new_device> appears to be in use.
3100 3100 *
3101 3101 * Attach <new_device> to the mirror containing <device>. If <device> is not
3102 3102 * part of a mirror, then <device> will be transformed into a mirror of
3103 3103 * <device> and <new_device>. In either case, <new_device> will begin life
3104 3104 * with a DTL of [0, now], and will immediately begin to resilver itself.
3105 3105 */
3106 3106 int
3107 3107 zpool_do_attach(int argc, char **argv)
3108 3108 {
3109 3109 return (zpool_do_attach_or_replace(argc, argv, B_FALSE));
3110 3110 }
3111 3111
3112 3112 /*
3113 3113 * zpool detach [-f] <pool> <device>
3114 3114 *
3115 3115 * -f Force detach of <device>, even if DTLs argue against it
3116 3116 * (not supported yet)
3117 3117 *
3118 3118 * Detach a device from a mirror. The operation will be refused if <device>
3119 3119 * is the last device in the mirror, or if the DTLs indicate that this device
3120 3120 * has the only valid copy of some data.
3121 3121 */
3122 3122 /* ARGSUSED */
3123 3123 int
3124 3124 zpool_do_detach(int argc, char **argv)
3125 3125 {
3126 3126 int c;
3127 3127 char *poolname, *path;
3128 3128 zpool_handle_t *zhp;
3129 3129 int ret;
3130 3130
3131 3131 /* check options */
3132 3132 while ((c = getopt(argc, argv, "f")) != -1) {
3133 3133 switch (c) {
3134 3134 case 'f':
3135 3135 case '?':
3136 3136 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3137 3137 optopt);
3138 3138 usage(B_FALSE);
3139 3139 }
3140 3140 }
3141 3141
3142 3142 argc -= optind;
3143 3143 argv += optind;
3144 3144
3145 3145 /* get pool name and check number of arguments */
3146 3146 if (argc < 1) {
3147 3147 (void) fprintf(stderr, gettext("missing pool name argument\n"));
3148 3148 usage(B_FALSE);
3149 3149 }
3150 3150
3151 3151 if (argc < 2) {
3152 3152 (void) fprintf(stderr,
3153 3153 gettext("missing <device> specification\n"));
3154 3154 usage(B_FALSE);
3155 3155 }
3156 3156
3157 3157 poolname = argv[0];
3158 3158 path = argv[1];
3159 3159
3160 3160 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3161 3161 return (1);
3162 3162
3163 3163 ret = zpool_vdev_detach(zhp, path);
3164 3164
3165 3165 zpool_close(zhp);
3166 3166
3167 3167 return (ret);
3168 3168 }
3169 3169
3170 3170 /*
3171 3171 * zpool split [-n] [-o prop=val] ...
3172 3172 * [-o mntopt] ...
3173 3173 * [-R altroot] <pool> <newpool> [<device> ...]
3174 3174 *
3175 3175 * -n Do not split the pool, but display the resulting layout if
3176 3176 * it were to be split.
3177 3177 * -o Set property=value, or set mount options.
3178 3178 * -R Mount the split-off pool under an alternate root.
3179 3179 *
3180 3180 * Splits the named pool and gives it the new pool name. Devices to be split
3181 3181 * off may be listed, provided that no more than one device is specified
3182 3182 * per top-level vdev mirror. The newly split pool is left in an exported
3183 3183 * state unless -R is specified.
3184 3184 *
3185 3185 * Restrictions: the top-level of the pool pool must only be made up of
3186 3186 * mirrors; all devices in the pool must be healthy; no device may be
3187 3187 * undergoing a resilvering operation.
3188 3188 */
3189 3189 int
3190 3190 zpool_do_split(int argc, char **argv)
3191 3191 {
3192 3192 char *srcpool, *newpool, *propval;
3193 3193 char *mntopts = NULL;
3194 3194 splitflags_t flags;
3195 3195 int c, ret = 0;
3196 3196 zpool_handle_t *zhp;
3197 3197 nvlist_t *config, *props = NULL;
3198 3198
3199 3199 flags.dryrun = B_FALSE;
3200 3200 flags.import = B_FALSE;
3201 3201
3202 3202 /* check options */
3203 3203 while ((c = getopt(argc, argv, ":R:no:")) != -1) {
3204 3204 switch (c) {
3205 3205 case 'R':
3206 3206 flags.import = B_TRUE;
3207 3207 if (add_prop_list(
3208 3208 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg,
3209 3209 &props, B_TRUE) != 0) {
3210 3210 if (props)
3211 3211 nvlist_free(props);
3212 3212 usage(B_FALSE);
3213 3213 }
3214 3214 break;
3215 3215 case 'n':
3216 3216 flags.dryrun = B_TRUE;
3217 3217 break;
3218 3218 case 'o':
3219 3219 if ((propval = strchr(optarg, '=')) != NULL) {
3220 3220 *propval = '\0';
3221 3221 propval++;
3222 3222 if (add_prop_list(optarg, propval,
3223 3223 &props, B_TRUE) != 0) {
3224 3224 if (props)
3225 3225 nvlist_free(props);
3226 3226 usage(B_FALSE);
3227 3227 }
3228 3228 } else {
3229 3229 mntopts = optarg;
3230 3230 }
3231 3231 break;
3232 3232 case ':':
3233 3233 (void) fprintf(stderr, gettext("missing argument for "
3234 3234 "'%c' option\n"), optopt);
3235 3235 usage(B_FALSE);
3236 3236 break;
3237 3237 case '?':
3238 3238 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3239 3239 optopt);
3240 3240 usage(B_FALSE);
3241 3241 break;
3242 3242 }
3243 3243 }
3244 3244
3245 3245 if (!flags.import && mntopts != NULL) {
3246 3246 (void) fprintf(stderr, gettext("setting mntopts is only "
3247 3247 "valid when importing the pool\n"));
3248 3248 usage(B_FALSE);
3249 3249 }
3250 3250
3251 3251 argc -= optind;
3252 3252 argv += optind;
3253 3253
3254 3254 if (argc < 1) {
3255 3255 (void) fprintf(stderr, gettext("Missing pool name\n"));
3256 3256 usage(B_FALSE);
3257 3257 }
3258 3258 if (argc < 2) {
3259 3259 (void) fprintf(stderr, gettext("Missing new pool name\n"));
3260 3260 usage(B_FALSE);
3261 3261 }
3262 3262
3263 3263 srcpool = argv[0];
3264 3264 newpool = argv[1];
3265 3265
3266 3266 argc -= 2;
3267 3267 argv += 2;
3268 3268
3269 3269 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL)
3270 3270 return (1);
3271 3271
3272 3272 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv);
3273 3273 if (config == NULL) {
3274 3274 ret = 1;
3275 3275 } else {
3276 3276 if (flags.dryrun) {
3277 3277 (void) printf(gettext("would create '%s' with the "
3278 3278 "following layout:\n\n"), newpool);
3279 3279 print_vdev_tree(NULL, newpool, config, 0, B_FALSE);
3280 3280 }
3281 3281 nvlist_free(config);
3282 3282 }
3283 3283
3284 3284 zpool_close(zhp);
3285 3285
3286 3286 if (ret != 0 || flags.dryrun || !flags.import)
3287 3287 return (ret);
3288 3288
3289 3289 /*
3290 3290 * The split was successful. Now we need to open the new
3291 3291 * pool and import it.
3292 3292 */
3293 3293 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL)
3294 3294 return (1);
3295 3295 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
3296 3296 zpool_enable_datasets(zhp, mntopts, 0) != 0) {
3297 3297 ret = 1;
3298 3298 (void) fprintf(stderr, gettext("Split was successful, but "
3299 3299 "the datasets could not all be mounted\n"));
3300 3300 (void) fprintf(stderr, gettext("Try doing '%s' with a "
3301 3301 "different altroot\n"), "zpool import");
3302 3302 }
3303 3303 zpool_close(zhp);
3304 3304
3305 3305 return (ret);
3306 3306 }
3307 3307
3308 3308
3309 3309
3310 3310 /*
3311 3311 * zpool online <pool> <device> ...
3312 3312 */
3313 3313 int
3314 3314 zpool_do_online(int argc, char **argv)
3315 3315 {
3316 3316 int c, i;
3317 3317 char *poolname;
3318 3318 zpool_handle_t *zhp;
3319 3319 int ret = 0;
3320 3320 vdev_state_t newstate;
3321 3321 int flags = 0;
3322 3322
3323 3323 /* check options */
3324 3324 while ((c = getopt(argc, argv, "et")) != -1) {
3325 3325 switch (c) {
3326 3326 case 'e':
3327 3327 flags |= ZFS_ONLINE_EXPAND;
3328 3328 break;
3329 3329 case 't':
3330 3330 case '?':
3331 3331 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3332 3332 optopt);
3333 3333 usage(B_FALSE);
3334 3334 }
3335 3335 }
3336 3336
3337 3337 argc -= optind;
3338 3338 argv += optind;
3339 3339
3340 3340 /* get pool name and check number of arguments */
3341 3341 if (argc < 1) {
3342 3342 (void) fprintf(stderr, gettext("missing pool name\n"));
3343 3343 usage(B_FALSE);
3344 3344 }
3345 3345 if (argc < 2) {
3346 3346 (void) fprintf(stderr, gettext("missing device name\n"));
3347 3347 usage(B_FALSE);
3348 3348 }
3349 3349
3350 3350 poolname = argv[0];
3351 3351
3352 3352 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3353 3353 return (1);
3354 3354
3355 3355 for (i = 1; i < argc; i++) {
3356 3356 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) {
3357 3357 if (newstate != VDEV_STATE_HEALTHY) {
3358 3358 (void) printf(gettext("warning: device '%s' "
3359 3359 "onlined, but remains in faulted state\n"),
3360 3360 argv[i]);
3361 3361 if (newstate == VDEV_STATE_FAULTED)
3362 3362 (void) printf(gettext("use 'zpool "
3363 3363 "clear' to restore a faulted "
3364 3364 "device\n"));
3365 3365 else
3366 3366 (void) printf(gettext("use 'zpool "
3367 3367 "replace' to replace devices "
3368 3368 "that are no longer present\n"));
3369 3369 }
3370 3370 } else {
3371 3371 ret = 1;
3372 3372 }
3373 3373 }
3374 3374
3375 3375 zpool_close(zhp);
3376 3376
3377 3377 return (ret);
3378 3378 }
3379 3379
3380 3380 /*
3381 3381 * zpool offline [-ft] <pool> <device> ...
3382 3382 *
3383 3383 * -f Force the device into the offline state, even if doing
3384 3384 * so would appear to compromise pool availability.
3385 3385 * (not supported yet)
3386 3386 *
3387 3387 * -t Only take the device off-line temporarily. The offline
3388 3388 * state will not be persistent across reboots.
3389 3389 */
3390 3390 /* ARGSUSED */
3391 3391 int
3392 3392 zpool_do_offline(int argc, char **argv)
3393 3393 {
3394 3394 int c, i;
3395 3395 char *poolname;
3396 3396 zpool_handle_t *zhp;
3397 3397 int ret = 0;
3398 3398 boolean_t istmp = B_FALSE;
3399 3399
3400 3400 /* check options */
3401 3401 while ((c = getopt(argc, argv, "ft")) != -1) {
3402 3402 switch (c) {
3403 3403 case 't':
3404 3404 istmp = B_TRUE;
3405 3405 break;
3406 3406 case 'f':
3407 3407 case '?':
3408 3408 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3409 3409 optopt);
3410 3410 usage(B_FALSE);
3411 3411 }
3412 3412 }
3413 3413
3414 3414 argc -= optind;
3415 3415 argv += optind;
3416 3416
3417 3417 /* get pool name and check number of arguments */
3418 3418 if (argc < 1) {
3419 3419 (void) fprintf(stderr, gettext("missing pool name\n"));
3420 3420 usage(B_FALSE);
3421 3421 }
3422 3422 if (argc < 2) {
3423 3423 (void) fprintf(stderr, gettext("missing device name\n"));
3424 3424 usage(B_FALSE);
3425 3425 }
3426 3426
3427 3427 poolname = argv[0];
3428 3428
3429 3429 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3430 3430 return (1);
3431 3431
3432 3432 for (i = 1; i < argc; i++) {
3433 3433 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0)
3434 3434 ret = 1;
3435 3435 }
3436 3436
3437 3437 zpool_close(zhp);
3438 3438
3439 3439 return (ret);
3440 3440 }
3441 3441
3442 3442 /*
3443 3443 * zpool clear <pool> [device]
3444 3444 *
3445 3445 * Clear all errors associated with a pool or a particular device.
3446 3446 */
3447 3447 int
3448 3448 zpool_do_clear(int argc, char **argv)
3449 3449 {
3450 3450 int c;
3451 3451 int ret = 0;
3452 3452 boolean_t dryrun = B_FALSE;
3453 3453 boolean_t do_rewind = B_FALSE;
3454 3454 boolean_t xtreme_rewind = B_FALSE;
3455 3455 uint32_t rewind_policy = ZPOOL_NO_REWIND;
3456 3456 nvlist_t *policy = NULL;
3457 3457 zpool_handle_t *zhp;
3458 3458 char *pool, *device;
3459 3459
3460 3460 /* check options */
3461 3461 while ((c = getopt(argc, argv, "FnX")) != -1) {
3462 3462 switch (c) {
3463 3463 case 'F':
3464 3464 do_rewind = B_TRUE;
3465 3465 break;
3466 3466 case 'n':
3467 3467 dryrun = B_TRUE;
3468 3468 break;
3469 3469 case 'X':
3470 3470 xtreme_rewind = B_TRUE;
3471 3471 break;
3472 3472 case '?':
3473 3473 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3474 3474 optopt);
3475 3475 usage(B_FALSE);
3476 3476 }
3477 3477 }
3478 3478
3479 3479 argc -= optind;
3480 3480 argv += optind;
3481 3481
3482 3482 if (argc < 1) {
3483 3483 (void) fprintf(stderr, gettext("missing pool name\n"));
3484 3484 usage(B_FALSE);
3485 3485 }
3486 3486
3487 3487 if (argc > 2) {
3488 3488 (void) fprintf(stderr, gettext("too many arguments\n"));
3489 3489 usage(B_FALSE);
3490 3490 }
3491 3491
3492 3492 if ((dryrun || xtreme_rewind) && !do_rewind) {
3493 3493 (void) fprintf(stderr,
3494 3494 gettext("-n or -X only meaningful with -F\n"));
3495 3495 usage(B_FALSE);
3496 3496 }
3497 3497 if (dryrun)
3498 3498 rewind_policy = ZPOOL_TRY_REWIND;
3499 3499 else if (do_rewind)
3500 3500 rewind_policy = ZPOOL_DO_REWIND;
3501 3501 if (xtreme_rewind)
3502 3502 rewind_policy |= ZPOOL_EXTREME_REWIND;
3503 3503
3504 3504 /* In future, further rewind policy choices can be passed along here */
3505 3505 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 ||
3506 3506 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0)
3507 3507 return (1);
3508 3508
3509 3509 pool = argv[0];
3510 3510 device = argc == 2 ? argv[1] : NULL;
3511 3511
3512 3512 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) {
3513 3513 nvlist_free(policy);
3514 3514 return (1);
3515 3515 }
3516 3516
3517 3517 if (zpool_clear(zhp, device, policy) != 0)
3518 3518 ret = 1;
3519 3519
3520 3520 zpool_close(zhp);
3521 3521
3522 3522 nvlist_free(policy);
3523 3523
3524 3524 return (ret);
3525 3525 }
3526 3526
3527 3527 /*
3528 3528 * zpool reguid <pool>
3529 3529 */
3530 3530 int
3531 3531 zpool_do_reguid(int argc, char **argv)
3532 3532 {
3533 3533 int c;
3534 3534 char *poolname;
3535 3535 zpool_handle_t *zhp;
3536 3536 int ret = 0;
3537 3537
3538 3538 /* check options */
3539 3539 while ((c = getopt(argc, argv, "")) != -1) {
3540 3540 switch (c) {
3541 3541 case '?':
3542 3542 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3543 3543 optopt);
3544 3544 usage(B_FALSE);
3545 3545 }
3546 3546 }
3547 3547
3548 3548 argc -= optind;
3549 3549 argv += optind;
3550 3550
3551 3551 /* get pool name and check number of arguments */
3552 3552 if (argc < 1) {
3553 3553 (void) fprintf(stderr, gettext("missing pool name\n"));
3554 3554 usage(B_FALSE);
3555 3555 }
3556 3556
3557 3557 if (argc > 1) {
3558 3558 (void) fprintf(stderr, gettext("too many arguments\n"));
3559 3559 usage(B_FALSE);
3560 3560 }
3561 3561
3562 3562 poolname = argv[0];
3563 3563 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3564 3564 return (1);
3565 3565
3566 3566 ret = zpool_reguid(zhp);
3567 3567
3568 3568 zpool_close(zhp);
3569 3569 return (ret);
3570 3570 }
3571 3571
3572 3572
3573 3573 /*
3574 3574 * zpool reopen <pool>
3575 3575 *
3576 3576 * Reopen the pool so that the kernel can update the sizes of all vdevs.
3577 3577 */
3578 3578 int
3579 3579 zpool_do_reopen(int argc, char **argv)
3580 3580 {
3581 3581 int c;
3582 3582 int ret = 0;
3583 3583 zpool_handle_t *zhp;
3584 3584 char *pool;
3585 3585
3586 3586 /* check options */
3587 3587 while ((c = getopt(argc, argv, "")) != -1) {
3588 3588 switch (c) {
3589 3589 case '?':
3590 3590 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3591 3591 optopt);
3592 3592 usage(B_FALSE);
3593 3593 }
3594 3594 }
3595 3595
3596 3596 argc--;
3597 3597 argv++;
3598 3598
3599 3599 if (argc < 1) {
3600 3600 (void) fprintf(stderr, gettext("missing pool name\n"));
3601 3601 usage(B_FALSE);
3602 3602 }
3603 3603
3604 3604 if (argc > 1) {
3605 3605 (void) fprintf(stderr, gettext("too many arguments\n"));
3606 3606 usage(B_FALSE);
3607 3607 }
3608 3608
3609 3609 pool = argv[0];
3610 3610 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL)
3611 3611 return (1);
3612 3612
3613 3613 ret = zpool_reopen(zhp);
3614 3614 zpool_close(zhp);
3615 3615 return (ret);
3616 3616 }
3617 3617
3618 3618 typedef struct scrub_cbdata {
3619 3619 int cb_type;
3620 3620 int cb_argc;
3621 3621 char **cb_argv;
3622 3622 } scrub_cbdata_t;
3623 3623
3624 3624 int
3625 3625 scrub_callback(zpool_handle_t *zhp, void *data)
3626 3626 {
3627 3627 scrub_cbdata_t *cb = data;
3628 3628 int err;
3629 3629
3630 3630 /*
3631 3631 * Ignore faulted pools.
3632 3632 */
3633 3633 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
3634 3634 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is "
3635 3635 "currently unavailable\n"), zpool_get_name(zhp));
3636 3636 return (1);
3637 3637 }
3638 3638
3639 3639 err = zpool_scan(zhp, cb->cb_type);
3640 3640
3641 3641 return (err != 0);
3642 3642 }
3643 3643
3644 3644 /*
3645 3645 * zpool scrub [-s] <pool> ...
3646 3646 *
3647 3647 * -s Stop. Stops any in-progress scrub.
3648 3648 */
3649 3649 int
3650 3650 zpool_do_scrub(int argc, char **argv)
3651 3651 {
3652 3652 int c;
3653 3653 scrub_cbdata_t cb;
3654 3654
3655 3655 cb.cb_type = POOL_SCAN_SCRUB;
3656 3656
3657 3657 /* check options */
3658 3658 while ((c = getopt(argc, argv, "s")) != -1) {
3659 3659 switch (c) {
3660 3660 case 's':
3661 3661 cb.cb_type = POOL_SCAN_NONE;
3662 3662 break;
3663 3663 case '?':
3664 3664 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3665 3665 optopt);
3666 3666 usage(B_FALSE);
3667 3667 }
3668 3668 }
3669 3669
3670 3670 cb.cb_argc = argc;
3671 3671 cb.cb_argv = argv;
3672 3672 argc -= optind;
3673 3673 argv += optind;
3674 3674
3675 3675 if (argc < 1) {
3676 3676 (void) fprintf(stderr, gettext("missing pool name argument\n"));
3677 3677 usage(B_FALSE);
3678 3678 }
3679 3679
3680 3680 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb));
3681 3681 }
3682 3682
3683 3683 typedef struct status_cbdata {
3684 3684 int cb_count;
3685 3685 boolean_t cb_allpools;
3686 3686 boolean_t cb_verbose;
3687 3687 boolean_t cb_explain;
3688 3688 boolean_t cb_first;
3689 3689 boolean_t cb_dedup_stats;
3690 3690 } status_cbdata_t;
3691 3691
3692 3692 /*
3693 3693 * Print out detailed scrub status.
3694 3694 */
3695 3695 void
3696 3696 print_scan_status(pool_scan_stat_t *ps)
3697 3697 {
3698 3698 time_t start, end;
3699 3699 uint64_t elapsed, mins_left, hours_left;
3700 3700 uint64_t pass_exam, examined, total;
3701 3701 uint_t rate;
3702 3702 double fraction_done;
3703 3703 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7];
3704 3704
3705 3705 (void) printf(gettext(" scan: "));
3706 3706
3707 3707 /* If there's never been a scan, there's not much to say. */
3708 3708 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE ||
3709 3709 ps->pss_func >= POOL_SCAN_FUNCS) {
3710 3710 (void) printf(gettext("none requested\n"));
3711 3711 return;
3712 3712 }
3713 3713
3714 3714 start = ps->pss_start_time;
3715 3715 end = ps->pss_end_time;
3716 3716 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf));
3717 3717
3718 3718 assert(ps->pss_func == POOL_SCAN_SCRUB ||
3719 3719 ps->pss_func == POOL_SCAN_RESILVER);
3720 3720 /*
3721 3721 * Scan is finished or canceled.
3722 3722 */
3723 3723 if (ps->pss_state == DSS_FINISHED) {
3724 3724 uint64_t minutes_taken = (end - start) / 60;
3725 3725 char *fmt;
3726 3726
3727 3727 if (ps->pss_func == POOL_SCAN_SCRUB) {
3728 3728 fmt = gettext("scrub repaired %s in %lluh%um with "
3729 3729 "%llu errors on %s");
3730 3730 } else if (ps->pss_func == POOL_SCAN_RESILVER) {
3731 3731 fmt = gettext("resilvered %s in %lluh%um with "
3732 3732 "%llu errors on %s");
3733 3733 }
3734 3734 /* LINTED */
3735 3735 (void) printf(fmt, processed_buf,
3736 3736 (u_longlong_t)(minutes_taken / 60),
3737 3737 (uint_t)(minutes_taken % 60),
3738 3738 (u_longlong_t)ps->pss_errors,
3739 3739 ctime((time_t *)&end));
3740 3740 return;
3741 3741 } else if (ps->pss_state == DSS_CANCELED) {
3742 3742 if (ps->pss_func == POOL_SCAN_SCRUB) {
3743 3743 (void) printf(gettext("scrub canceled on %s"),
3744 3744 ctime(&end));
3745 3745 } else if (ps->pss_func == POOL_SCAN_RESILVER) {
3746 3746 (void) printf(gettext("resilver canceled on %s"),
3747 3747 ctime(&end));
3748 3748 }
3749 3749 return;
3750 3750 }
3751 3751
3752 3752 assert(ps->pss_state == DSS_SCANNING);
3753 3753
3754 3754 /*
3755 3755 * Scan is in progress.
3756 3756 */
3757 3757 if (ps->pss_func == POOL_SCAN_SCRUB) {
3758 3758 (void) printf(gettext("scrub in progress since %s"),
3759 3759 ctime(&start));
3760 3760 } else if (ps->pss_func == POOL_SCAN_RESILVER) {
3761 3761 (void) printf(gettext("resilver in progress since %s"),
3762 3762 ctime(&start));
3763 3763 }
3764 3764
3765 3765 examined = ps->pss_examined ? ps->pss_examined : 1;
3766 3766 total = ps->pss_to_examine;
3767 3767 fraction_done = (double)examined / total;
3768 3768
3769 3769 /* elapsed time for this pass */
3770 3770 elapsed = time(NULL) - ps->pss_pass_start;
3771 3771 elapsed = elapsed ? elapsed : 1;
3772 3772 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1;
3773 3773 rate = pass_exam / elapsed;
3774 3774 rate = rate ? rate : 1;
3775 3775 mins_left = ((total - examined) / rate) / 60;
3776 3776 hours_left = mins_left / 60;
3777 3777
3778 3778 zfs_nicenum(examined, examined_buf, sizeof (examined_buf));
3779 3779 zfs_nicenum(total, total_buf, sizeof (total_buf));
3780 3780 zfs_nicenum(rate, rate_buf, sizeof (rate_buf));
3781 3781
3782 3782 /*
3783 3783 * do not print estimated time if hours_left is more than 30 days
3784 3784 */
3785 3785 (void) printf(gettext(" %s scanned out of %s at %s/s"),
3786 3786 examined_buf, total_buf, rate_buf);
3787 3787 if (hours_left < (30 * 24)) {
3788 3788 (void) printf(gettext(", %lluh%um to go\n"),
3789 3789 (u_longlong_t)hours_left, (uint_t)(mins_left % 60));
3790 3790 } else {
3791 3791 (void) printf(gettext(
3792 3792 ", (scan is slow, no estimated time)\n"));
3793 3793 }
3794 3794
3795 3795 if (ps->pss_func == POOL_SCAN_RESILVER) {
3796 3796 (void) printf(gettext(" %s resilvered, %.2f%% done\n"),
3797 3797 processed_buf, 100 * fraction_done);
3798 3798 } else if (ps->pss_func == POOL_SCAN_SCRUB) {
3799 3799 (void) printf(gettext(" %s repaired, %.2f%% done\n"),
3800 3800 processed_buf, 100 * fraction_done);
3801 3801 }
3802 3802 }
3803 3803
3804 3804 static void
3805 3805 print_error_log(zpool_handle_t *zhp)
3806 3806 {
3807 3807 nvlist_t *nverrlist = NULL;
3808 3808 nvpair_t *elem;
3809 3809 char *pathname;
3810 3810 size_t len = MAXPATHLEN * 2;
3811 3811
3812 3812 if (zpool_get_errlog(zhp, &nverrlist) != 0) {
3813 3813 (void) printf("errors: List of errors unavailable "
3814 3814 "(insufficient privileges)\n");
3815 3815 return;
3816 3816 }
3817 3817
3818 3818 (void) printf("errors: Permanent errors have been "
3819 3819 "detected in the following files:\n\n");
3820 3820
3821 3821 pathname = safe_malloc(len);
3822 3822 elem = NULL;
3823 3823 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) {
3824 3824 nvlist_t *nv;
3825 3825 uint64_t dsobj, obj;
3826 3826
3827 3827 verify(nvpair_value_nvlist(elem, &nv) == 0);
3828 3828 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET,
3829 3829 &dsobj) == 0);
3830 3830 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT,
3831 3831 &obj) == 0);
3832 3832 zpool_obj_to_path(zhp, dsobj, obj, pathname, len);
3833 3833 (void) printf("%7s %s\n", "", pathname);
3834 3834 }
3835 3835 free(pathname);
3836 3836 nvlist_free(nverrlist);
3837 3837 }
3838 3838
3839 3839 static void
3840 3840 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares,
3841 3841 int namewidth)
3842 3842 {
3843 3843 uint_t i;
3844 3844 char *name;
3845 3845
3846 3846 if (nspares == 0)
3847 3847 return;
3848 3848
3849 3849 (void) printf(gettext("\tspares\n"));
3850 3850
3851 3851 for (i = 0; i < nspares; i++) {
3852 3852 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE);
3853 3853 print_status_config(zhp, name, spares[i],
3854 3854 namewidth, 2, B_TRUE);
3855 3855 free(name);
3856 3856 }
3857 3857 }
3858 3858
3859 3859 static void
3860 3860 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache,
3861 3861 int namewidth)
3862 3862 {
3863 3863 uint_t i;
3864 3864 char *name;
3865 3865
3866 3866 if (nl2cache == 0)
3867 3867 return;
3868 3868
3869 3869 (void) printf(gettext("\tcache\n"));
3870 3870
3871 3871 for (i = 0; i < nl2cache; i++) {
3872 3872 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE);
3873 3873 print_status_config(zhp, name, l2cache[i],
3874 3874 namewidth, 2, B_FALSE);
3875 3875 free(name);
3876 3876 }
3877 3877 }
3878 3878
3879 3879 static void
3880 3880 print_dedup_stats(nvlist_t *config)
3881 3881 {
3882 3882 ddt_histogram_t *ddh;
3883 3883 ddt_stat_t *dds;
3884 3884 ddt_object_t *ddo;
3885 3885 uint_t c;
3886 3886
3887 3887 /*
3888 3888 * If the pool was faulted then we may not have been able to
3889 3889 * obtain the config. Otherwise, if we have anything in the dedup
3890 3890 * table continue processing the stats.
3891 3891 */
3892 3892 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS,
3893 3893 (uint64_t **)&ddo, &c) != 0)
3894 3894 return;
3895 3895
3896 3896 (void) printf("\n");
3897 3897 (void) printf(gettext(" dedup: "));
3898 3898 if (ddo->ddo_count == 0) {
3899 3899 (void) printf(gettext("no DDT entries\n"));
3900 3900 return;
3901 3901 }
3902 3902
3903 3903 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n",
3904 3904 (u_longlong_t)ddo->ddo_count,
3905 3905 (u_longlong_t)ddo->ddo_dspace,
3906 3906 (u_longlong_t)ddo->ddo_mspace);
3907 3907
3908 3908 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS,
3909 3909 (uint64_t **)&dds, &c) == 0);
3910 3910 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM,
3911 3911 (uint64_t **)&ddh, &c) == 0);
3912 3912 zpool_dump_ddt(dds, ddh);
3913 3913 }
3914 3914
3915 3915 /*
3916 3916 * Display a summary of pool status. Displays a summary such as:
3917 3917 *
3918 3918 * pool: tank
3919 3919 * status: DEGRADED
3920 3920 * reason: One or more devices ...
3921 3921 * see: http://illumos.org/msg/ZFS-xxxx-01
3922 3922 * config:
3923 3923 * mirror DEGRADED
3924 3924 * c1t0d0 OK
3925 3925 * c2t0d0 UNAVAIL
3926 3926 *
3927 3927 * When given the '-v' option, we print out the complete config. If the '-e'
3928 3928 * option is specified, then we print out error rate information as well.
3929 3929 */
3930 3930 int
3931 3931 status_callback(zpool_handle_t *zhp, void *data)
3932 3932 {
3933 3933 status_cbdata_t *cbp = data;
3934 3934 nvlist_t *config, *nvroot;
3935 3935 char *msgid;
3936 3936 int reason;
3937 3937 const char *health;
3938 3938 uint_t c;
3939 3939 vdev_stat_t *vs;
3940 3940
3941 3941 config = zpool_get_config(zhp, NULL);
3942 3942 reason = zpool_get_status(zhp, &msgid);
3943 3943
3944 3944 cbp->cb_count++;
3945 3945
3946 3946 /*
3947 3947 * If we were given 'zpool status -x', only report those pools with
3948 3948 * problems.
3949 3949 */
3950 3950 if (cbp->cb_explain &&
3951 3951 (reason == ZPOOL_STATUS_OK ||
3952 3952 reason == ZPOOL_STATUS_VERSION_OLDER ||
3953 3953 reason == ZPOOL_STATUS_FEAT_DISABLED)) {
3954 3954 if (!cbp->cb_allpools) {
3955 3955 (void) printf(gettext("pool '%s' is healthy\n"),
3956 3956 zpool_get_name(zhp));
3957 3957 if (cbp->cb_first)
3958 3958 cbp->cb_first = B_FALSE;
3959 3959 }
3960 3960 return (0);
3961 3961 }
3962 3962
3963 3963 if (cbp->cb_first)
3964 3964 cbp->cb_first = B_FALSE;
3965 3965 else
3966 3966 (void) printf("\n");
3967 3967
3968 3968 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
3969 3969 &nvroot) == 0);
3970 3970 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS,
3971 3971 (uint64_t **)&vs, &c) == 0);
3972 3972 health = zpool_state_to_name(vs->vs_state, vs->vs_aux);
3973 3973
3974 3974 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp));
3975 3975 (void) printf(gettext(" state: %s\n"), health);
3976 3976
3977 3977 switch (reason) {
3978 3978 case ZPOOL_STATUS_MISSING_DEV_R:
3979 3979 (void) printf(gettext("status: One or more devices could not "
3980 3980 "be opened. Sufficient replicas exist for\n\tthe pool to "
3981 3981 "continue functioning in a degraded state.\n"));
3982 3982 (void) printf(gettext("action: Attach the missing device and "
3983 3983 "online it using 'zpool online'.\n"));
3984 3984 break;
3985 3985
3986 3986 case ZPOOL_STATUS_MISSING_DEV_NR:
3987 3987 (void) printf(gettext("status: One or more devices could not "
3988 3988 "be opened. There are insufficient\n\treplicas for the "
3989 3989 "pool to continue functioning.\n"));
3990 3990 (void) printf(gettext("action: Attach the missing device and "
3991 3991 "online it using 'zpool online'.\n"));
3992 3992 break;
3993 3993
3994 3994 case ZPOOL_STATUS_CORRUPT_LABEL_R:
3995 3995 (void) printf(gettext("status: One or more devices could not "
3996 3996 "be used because the label is missing or\n\tinvalid. "
3997 3997 "Sufficient replicas exist for the pool to continue\n\t"
3998 3998 "functioning in a degraded state.\n"));
3999 3999 (void) printf(gettext("action: Replace the device using "
4000 4000 "'zpool replace'.\n"));
4001 4001 break;
4002 4002
4003 4003 case ZPOOL_STATUS_CORRUPT_LABEL_NR:
4004 4004 (void) printf(gettext("status: One or more devices could not "
4005 4005 "be used because the label is missing \n\tor invalid. "
4006 4006 "There are insufficient replicas for the pool to "
4007 4007 "continue\n\tfunctioning.\n"));
4008 4008 zpool_explain_recover(zpool_get_handle(zhp),
4009 4009 zpool_get_name(zhp), reason, config);
4010 4010 break;
4011 4011
4012 4012 case ZPOOL_STATUS_FAILING_DEV:
4013 4013 (void) printf(gettext("status: One or more devices has "
4014 4014 "experienced an unrecoverable error. An\n\tattempt was "
4015 4015 "made to correct the error. Applications are "
4016 4016 "unaffected.\n"));
4017 4017 (void) printf(gettext("action: Determine if the device needs "
4018 4018 "to be replaced, and clear the errors\n\tusing "
4019 4019 "'zpool clear' or replace the device with 'zpool "
4020 4020 "replace'.\n"));
4021 4021 break;
4022 4022
4023 4023 case ZPOOL_STATUS_OFFLINE_DEV:
4024 4024 (void) printf(gettext("status: One or more devices has "
4025 4025 "been taken offline by the administrator.\n\tSufficient "
4026 4026 "replicas exist for the pool to continue functioning in "
4027 4027 "a\n\tdegraded state.\n"));
4028 4028 (void) printf(gettext("action: Online the device using "
4029 4029 "'zpool online' or replace the device with\n\t'zpool "
4030 4030 "replace'.\n"));
4031 4031 break;
4032 4032
4033 4033 case ZPOOL_STATUS_REMOVED_DEV:
4034 4034 (void) printf(gettext("status: One or more devices has "
4035 4035 "been removed by the administrator.\n\tSufficient "
4036 4036 "replicas exist for the pool to continue functioning in "
4037 4037 "a\n\tdegraded state.\n"));
4038 4038 (void) printf(gettext("action: Online the device using "
4039 4039 "'zpool online' or replace the device with\n\t'zpool "
4040 4040 "replace'.\n"));
4041 4041 break;
4042 4042
4043 4043 case ZPOOL_STATUS_RESILVERING:
4044 4044 (void) printf(gettext("status: One or more devices is "
4045 4045 "currently being resilvered. The pool will\n\tcontinue "
4046 4046 "to function, possibly in a degraded state.\n"));
4047 4047 (void) printf(gettext("action: Wait for the resilver to "
4048 4048 "complete.\n"));
4049 4049 break;
4050 4050
4051 4051 case ZPOOL_STATUS_CORRUPT_DATA:
4052 4052 (void) printf(gettext("status: One or more devices has "
4053 4053 "experienced an error resulting in data\n\tcorruption. "
4054 4054 "Applications may be affected.\n"));
4055 4055 (void) printf(gettext("action: Restore the file in question "
4056 4056 "if possible. Otherwise restore the\n\tentire pool from "
4057 4057 "backup.\n"));
4058 4058 break;
4059 4059
4060 4060 case ZPOOL_STATUS_CORRUPT_POOL:
4061 4061 (void) printf(gettext("status: The pool metadata is corrupted "
4062 4062 "and the pool cannot be opened.\n"));
4063 4063 zpool_explain_recover(zpool_get_handle(zhp),
4064 4064 zpool_get_name(zhp), reason, config);
4065 4065 break;
4066 4066
4067 4067 case ZPOOL_STATUS_VERSION_OLDER:
4068 4068 (void) printf(gettext("status: The pool is formatted using a "
4069 4069 "legacy on-disk format. The pool can\n\tstill be used, "
4070 4070 "but some features are unavailable.\n"));
4071 4071 (void) printf(gettext("action: Upgrade the pool using 'zpool "
4072 4072 "upgrade'. Once this is done, the\n\tpool will no longer "
4073 4073 "be accessible on software that does not support feature\n"
4074 4074 "\tflags.\n"));
4075 4075 break;
4076 4076
4077 4077 case ZPOOL_STATUS_VERSION_NEWER:
4078 4078 (void) printf(gettext("status: The pool has been upgraded to a "
4079 4079 "newer, incompatible on-disk version.\n\tThe pool cannot "
4080 4080 "be accessed on this system.\n"));
4081 4081 (void) printf(gettext("action: Access the pool from a system "
4082 4082 "running more recent software, or\n\trestore the pool from "
4083 4083 "backup.\n"));
4084 4084 break;
4085 4085
4086 4086 case ZPOOL_STATUS_FEAT_DISABLED:
4087 4087 (void) printf(gettext("status: Some supported features are not "
4088 4088 "enabled on the pool. The pool can\n\tstill be used, but "
4089 4089 "some features are unavailable.\n"));
4090 4090 (void) printf(gettext("action: Enable all features using "
4091 4091 "'zpool upgrade'. Once this is done,\n\tthe pool may no "
4092 4092 "longer be accessible by software that does not support\n\t"
4093 4093 "the features. See zpool-features(5) for details.\n"));
4094 4094 break;
4095 4095
4096 4096 case ZPOOL_STATUS_UNSUP_FEAT_READ:
4097 4097 (void) printf(gettext("status: The pool cannot be accessed on "
4098 4098 "this system because it uses the\n\tfollowing feature(s) "
4099 4099 "not supported on this system:\n"));
4100 4100 zpool_print_unsup_feat(config);
4101 4101 (void) printf("\n");
4102 4102 (void) printf(gettext("action: Access the pool from a system "
4103 4103 "that supports the required feature(s),\n\tor restore the "
4104 4104 "pool from backup.\n"));
4105 4105 break;
4106 4106
4107 4107 case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
4108 4108 (void) printf(gettext("status: The pool can only be accessed "
4109 4109 "in read-only mode on this system. It\n\tcannot be "
4110 4110 "accessed in read-write mode because it uses the "
4111 4111 "following\n\tfeature(s) not supported on this system:\n"));
4112 4112 zpool_print_unsup_feat(config);
4113 4113 (void) printf("\n");
4114 4114 (void) printf(gettext("action: The pool cannot be accessed in "
4115 4115 "read-write mode. Import the pool with\n"
4116 4116 "\t\"-o readonly=on\", access the pool from a system that "
4117 4117 "supports the\n\trequired feature(s), or restore the "
4118 4118 "pool from backup.\n"));
4119 4119 break;
4120 4120
4121 4121 case ZPOOL_STATUS_FAULTED_DEV_R:
4122 4122 (void) printf(gettext("status: One or more devices are "
4123 4123 "faulted in response to persistent errors.\n\tSufficient "
4124 4124 "replicas exist for the pool to continue functioning "
4125 4125 "in a\n\tdegraded state.\n"));
4126 4126 (void) printf(gettext("action: Replace the faulted device, "
4127 4127 "or use 'zpool clear' to mark the device\n\trepaired.\n"));
4128 4128 break;
4129 4129
4130 4130 case ZPOOL_STATUS_FAULTED_DEV_NR:
4131 4131 (void) printf(gettext("status: One or more devices are "
4132 4132 "faulted in response to persistent errors. There are "
4133 4133 "insufficient replicas for the pool to\n\tcontinue "
4134 4134 "functioning.\n"));
4135 4135 (void) printf(gettext("action: Destroy and re-create the pool "
4136 4136 "from a backup source. Manually marking the device\n"
4137 4137 "\trepaired using 'zpool clear' may allow some data "
4138 4138 "to be recovered.\n"));
4139 4139 break;
4140 4140
4141 4141 case ZPOOL_STATUS_IO_FAILURE_WAIT:
4142 4142 case ZPOOL_STATUS_IO_FAILURE_CONTINUE:
4143 4143 (void) printf(gettext("status: One or more devices are "
4144 4144 "faulted in response to IO failures.\n"));
4145 4145 (void) printf(gettext("action: Make sure the affected devices "
4146 4146 "are connected, then run 'zpool clear'.\n"));
4147 4147 break;
4148 4148
4149 4149 case ZPOOL_STATUS_BAD_LOG:
4150 4150 (void) printf(gettext("status: An intent log record "
4151 4151 "could not be read.\n"
4152 4152 "\tWaiting for adminstrator intervention to fix the "
4153 4153 "faulted pool.\n"));
4154 4154 (void) printf(gettext("action: Either restore the affected "
4155 4155 "device(s) and run 'zpool online',\n"
4156 4156 "\tor ignore the intent log records by running "
4157 4157 "'zpool clear'.\n"));
4158 4158 break;
4159 4159
4160 4160 default:
4161 4161 /*
4162 4162 * The remaining errors can't actually be generated, yet.
4163 4163 */
4164 4164 assert(reason == ZPOOL_STATUS_OK);
4165 4165 }
4166 4166
4167 4167 if (msgid != NULL)
4168 4168 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"),
4169 4169 msgid);
4170 4170
4171 4171 if (config != NULL) {
4172 4172 int namewidth;
4173 4173 uint64_t nerr;
4174 4174 nvlist_t **spares, **l2cache;
4175 4175 uint_t nspares, nl2cache;
4176 4176 pool_scan_stat_t *ps = NULL;
4177 4177
4178 4178 (void) nvlist_lookup_uint64_array(nvroot,
4179 4179 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c);
4180 4180 print_scan_status(ps);
4181 4181
4182 4182 namewidth = max_width(zhp, nvroot, 0, 0);
4183 4183 if (namewidth < 10)
4184 4184 namewidth = 10;
4185 4185
4186 4186 (void) printf(gettext("config:\n\n"));
4187 4187 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth,
4188 4188 "NAME", "STATE", "READ", "WRITE", "CKSUM");
4189 4189 print_status_config(zhp, zpool_get_name(zhp), nvroot,
4190 4190 namewidth, 0, B_FALSE);
4191 4191
4192 4192 if (num_logs(nvroot) > 0)
4193 4193 print_logs(zhp, nvroot, namewidth, B_TRUE);
4194 4194 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
4195 4195 &l2cache, &nl2cache) == 0)
4196 4196 print_l2cache(zhp, l2cache, nl2cache, namewidth);
4197 4197
4198 4198 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
4199 4199 &spares, &nspares) == 0)
4200 4200 print_spares(zhp, spares, nspares, namewidth);
4201 4201
4202 4202 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT,
4203 4203 &nerr) == 0) {
4204 4204 nvlist_t *nverrlist = NULL;
4205 4205
4206 4206 /*
4207 4207 * If the approximate error count is small, get a
4208 4208 * precise count by fetching the entire log and
4209 4209 * uniquifying the results.
4210 4210 */
4211 4211 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose &&
4212 4212 zpool_get_errlog(zhp, &nverrlist) == 0) {
4213 4213 nvpair_t *elem;
4214 4214
4215 4215 elem = NULL;
4216 4216 nerr = 0;
4217 4217 while ((elem = nvlist_next_nvpair(nverrlist,
4218 4218 elem)) != NULL) {
4219 4219 nerr++;
4220 4220 }
4221 4221 }
4222 4222 nvlist_free(nverrlist);
4223 4223
4224 4224 (void) printf("\n");
4225 4225
4226 4226 if (nerr == 0)
4227 4227 (void) printf(gettext("errors: No known data "
4228 4228 "errors\n"));
4229 4229 else if (!cbp->cb_verbose)
4230 4230 (void) printf(gettext("errors: %llu data "
4231 4231 "errors, use '-v' for a list\n"),
4232 4232 (u_longlong_t)nerr);
4233 4233 else
4234 4234 print_error_log(zhp);
4235 4235 }
4236 4236
4237 4237 if (cbp->cb_dedup_stats)
4238 4238 print_dedup_stats(config);
4239 4239 } else {
4240 4240 (void) printf(gettext("config: The configuration cannot be "
4241 4241 "determined.\n"));
4242 4242 }
4243 4243
4244 4244 return (0);
4245 4245 }
4246 4246
4247 4247 /*
4248 4248 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]]
4249 4249 *
4250 4250 * -v Display complete error logs
4251 4251 * -x Display only pools with potential problems
4252 4252 * -D Display dedup status (undocumented)
4253 4253 * -T Display a timestamp in date(1) or Unix format
4254 4254 *
4255 4255 * Describes the health status of all pools or some subset.
4256 4256 */
4257 4257 int
4258 4258 zpool_do_status(int argc, char **argv)
4259 4259 {
4260 4260 int c;
4261 4261 int ret;
4262 4262 unsigned long interval = 0, count = 0;
4263 4263 status_cbdata_t cb = { 0 };
4264 4264
4265 4265 /* check options */
4266 4266 while ((c = getopt(argc, argv, "vxDT:")) != -1) {
4267 4267 switch (c) {
4268 4268 case 'v':
4269 4269 cb.cb_verbose = B_TRUE;
4270 4270 break;
4271 4271 case 'x':
4272 4272 cb.cb_explain = B_TRUE;
4273 4273 break;
4274 4274 case 'D':
4275 4275 cb.cb_dedup_stats = B_TRUE;
4276 4276 break;
4277 4277 case 'T':
4278 4278 get_timestamp_arg(*optarg);
4279 4279 break;
4280 4280 case '?':
4281 4281 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4282 4282 optopt);
4283 4283 usage(B_FALSE);
4284 4284 }
4285 4285 }
4286 4286
4287 4287 argc -= optind;
4288 4288 argv += optind;
4289 4289
4290 4290 get_interval_count(&argc, argv, &interval, &count);
4291 4291
4292 4292 if (argc == 0)
4293 4293 cb.cb_allpools = B_TRUE;
4294 4294
4295 4295 cb.cb_first = B_TRUE;
4296 4296
4297 4297 for (;;) {
4298 4298 if (timestamp_fmt != NODATE)
4299 4299 print_timestamp(timestamp_fmt);
4300 4300
4301 4301 ret = for_each_pool(argc, argv, B_TRUE, NULL,
4302 4302 status_callback, &cb);
4303 4303
4304 4304 if (argc == 0 && cb.cb_count == 0)
4305 4305 (void) printf(gettext("no pools available\n"));
4306 4306 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools)
4307 4307 (void) printf(gettext("all pools are healthy\n"));
4308 4308
4309 4309 if (ret != 0)
4310 4310 return (ret);
4311 4311
4312 4312 if (interval == 0)
4313 4313 break;
4314 4314
4315 4315 if (count != 0 && --count == 0)
4316 4316 break;
4317 4317
4318 4318 (void) sleep(interval);
4319 4319 }
4320 4320
4321 4321 return (0);
4322 4322 }
4323 4323
4324 4324 typedef struct upgrade_cbdata {
4325 4325 int cb_first;
4326 4326 int cb_argc;
4327 4327 uint64_t cb_version;
4328 4328 char **cb_argv;
4329 4329 } upgrade_cbdata_t;
4330 4330
4331 4331 static int
4332 4332 upgrade_version(zpool_handle_t *zhp, uint64_t version)
4333 4333 {
4334 4334 int ret;
4335 4335 nvlist_t *config;
4336 4336 uint64_t oldversion;
4337 4337
4338 4338 config = zpool_get_config(zhp, NULL);
4339 4339 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
4340 4340 &oldversion) == 0);
4341 4341
4342 4342 assert(SPA_VERSION_IS_SUPPORTED(oldversion));
4343 4343 assert(oldversion < version);
4344 4344
4345 4345 ret = zpool_upgrade(zhp, version);
4346 4346 if (ret != 0)
4347 4347 return (ret);
4348 4348
4349 4349 if (version >= SPA_VERSION_FEATURES) {
4350 4350 (void) printf(gettext("Successfully upgraded "
4351 4351 "'%s' from version %llu to feature flags.\n"),
4352 4352 zpool_get_name(zhp), oldversion);
4353 4353 } else {
4354 4354 (void) printf(gettext("Successfully upgraded "
4355 4355 "'%s' from version %llu to version %llu.\n"),
4356 4356 zpool_get_name(zhp), oldversion, version);
4357 4357 }
4358 4358
4359 4359 return (0);
4360 4360 }
4361 4361
4362 4362 static int
4363 4363 upgrade_enable_all(zpool_handle_t *zhp, int *countp)
4364 4364 {
4365 4365 int i, ret, count;
4366 4366 boolean_t firstff = B_TRUE;
4367 4367 nvlist_t *enabled = zpool_get_features(zhp);
4368 4368
4369 4369 count = 0;
4370 4370 for (i = 0; i < SPA_FEATURES; i++) {
4371 4371 const char *fname = spa_feature_table[i].fi_uname;
4372 4372 const char *fguid = spa_feature_table[i].fi_guid;
4373 4373 if (!nvlist_exists(enabled, fguid)) {
4374 4374 char *propname;
4375 4375 verify(-1 != asprintf(&propname, "feature@%s", fname));
4376 4376 ret = zpool_set_prop(zhp, propname,
4377 4377 ZFS_FEATURE_ENABLED);
4378 4378 if (ret != 0) {
4379 4379 free(propname);
4380 4380 return (ret);
4381 4381 }
4382 4382 count++;
4383 4383
4384 4384 if (firstff) {
4385 4385 (void) printf(gettext("Enabled the "
4386 4386 "following features on '%s':\n"),
4387 4387 zpool_get_name(zhp));
4388 4388 firstff = B_FALSE;
4389 4389 }
4390 4390 (void) printf(gettext(" %s\n"), fname);
4391 4391 free(propname);
4392 4392 }
4393 4393 }
4394 4394
4395 4395 if (countp != NULL)
4396 4396 *countp = count;
4397 4397 return (0);
4398 4398 }
4399 4399
4400 4400 static int
4401 4401 upgrade_cb(zpool_handle_t *zhp, void *arg)
4402 4402 {
4403 4403 upgrade_cbdata_t *cbp = arg;
4404 4404 nvlist_t *config;
4405 4405 uint64_t version;
4406 4406 boolean_t printnl = B_FALSE;
4407 4407 int ret;
4408 4408
4409 4409 config = zpool_get_config(zhp, NULL);
4410 4410 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
4411 4411 &version) == 0);
4412 4412
4413 4413 assert(SPA_VERSION_IS_SUPPORTED(version));
4414 4414
4415 4415 if (version < cbp->cb_version) {
4416 4416 cbp->cb_first = B_FALSE;
4417 4417 ret = upgrade_version(zhp, cbp->cb_version);
4418 4418 if (ret != 0)
4419 4419 return (ret);
4420 4420 printnl = B_TRUE;
4421 4421
4422 4422 /*
4423 4423 * If they did "zpool upgrade -a", then we could
4424 4424 * be doing ioctls to different pools. We need
4425 4425 * to log this history once to each pool, and bypass
4426 4426 * the normal history logging that happens in main().
4427 4427 */
4428 4428 (void) zpool_log_history(g_zfs, history_str);
4429 4429 log_history = B_FALSE;
4430 4430 }
4431 4431
4432 4432 if (cbp->cb_version >= SPA_VERSION_FEATURES) {
4433 4433 int count;
4434 4434 ret = upgrade_enable_all(zhp, &count);
4435 4435 if (ret != 0)
4436 4436 return (ret);
4437 4437
4438 4438 if (count > 0) {
4439 4439 cbp->cb_first = B_FALSE;
4440 4440 printnl = B_TRUE;
4441 4441 }
4442 4442 }
4443 4443
4444 4444 if (printnl) {
4445 4445 (void) printf(gettext("\n"));
4446 4446 }
4447 4447
4448 4448 return (0);
4449 4449 }
4450 4450
4451 4451 static int
4452 4452 upgrade_list_older_cb(zpool_handle_t *zhp, void *arg)
4453 4453 {
4454 4454 upgrade_cbdata_t *cbp = arg;
4455 4455 nvlist_t *config;
4456 4456 uint64_t version;
4457 4457
4458 4458 config = zpool_get_config(zhp, NULL);
4459 4459 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
4460 4460 &version) == 0);
4461 4461
4462 4462 assert(SPA_VERSION_IS_SUPPORTED(version));
4463 4463
4464 4464 if (version < SPA_VERSION_FEATURES) {
4465 4465 if (cbp->cb_first) {
4466 4466 (void) printf(gettext("The following pools are "
4467 4467 "formatted with legacy version numbers and can\n"
4468 4468 "be upgraded to use feature flags. After "
4469 4469 "being upgraded, these pools\nwill no "
4470 4470 "longer be accessible by software that does not "
4471 4471 "support feature\nflags.\n\n"));
4472 4472 (void) printf(gettext("VER POOL\n"));
4473 4473 (void) printf(gettext("--- ------------\n"));
4474 4474 cbp->cb_first = B_FALSE;
4475 4475 }
4476 4476
4477 4477 (void) printf("%2llu %s\n", (u_longlong_t)version,
4478 4478 zpool_get_name(zhp));
4479 4479 }
4480 4480
4481 4481 return (0);
4482 4482 }
4483 4483
4484 4484 static int
4485 4485 upgrade_list_disabled_cb(zpool_handle_t *zhp, void *arg)
4486 4486 {
4487 4487 upgrade_cbdata_t *cbp = arg;
4488 4488 nvlist_t *config;
4489 4489 uint64_t version;
4490 4490
4491 4491 config = zpool_get_config(zhp, NULL);
4492 4492 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
4493 4493 &version) == 0);
4494 4494
4495 4495 if (version >= SPA_VERSION_FEATURES) {
4496 4496 int i;
4497 4497 boolean_t poolfirst = B_TRUE;
4498 4498 nvlist_t *enabled = zpool_get_features(zhp);
4499 4499
4500 4500 for (i = 0; i < SPA_FEATURES; i++) {
4501 4501 const char *fguid = spa_feature_table[i].fi_guid;
4502 4502 const char *fname = spa_feature_table[i].fi_uname;
4503 4503 if (!nvlist_exists(enabled, fguid)) {
4504 4504 if (cbp->cb_first) {
4505 4505 (void) printf(gettext("\nSome "
4506 4506 "supported features are not "
4507 4507 "enabled on the following pools. "
4508 4508 "Once a\nfeature is enabled the "
4509 4509 "pool may become incompatible with "
4510 4510 "software\nthat does not support "
4511 4511 "the feature. See "
4512 4512 "zpool-features(5) for "
4513 4513 "details.\n\n"));
4514 4514 (void) printf(gettext("POOL "
4515 4515 "FEATURE\n"));
4516 4516 (void) printf(gettext("------"
4517 4517 "---------\n"));
4518 4518 cbp->cb_first = B_FALSE;
4519 4519 }
4520 4520
4521 4521 if (poolfirst) {
4522 4522 (void) printf(gettext("%s\n"),
4523 4523 zpool_get_name(zhp));
4524 4524 poolfirst = B_FALSE;
4525 4525 }
4526 4526
4527 4527 (void) printf(gettext(" %s\n"), fname);
4528 4528 }
4529 4529 }
4530 4530 }
4531 4531
4532 4532 return (0);
4533 4533 }
4534 4534
4535 4535 /* ARGSUSED */
4536 4536 static int
4537 4537 upgrade_one(zpool_handle_t *zhp, void *data)
4538 4538 {
4539 4539 boolean_t printnl = B_FALSE;
4540 4540 upgrade_cbdata_t *cbp = data;
4541 4541 uint64_t cur_version;
4542 4542 int ret;
4543 4543
4544 4544 if (strcmp("log", zpool_get_name(zhp)) == 0) {
4545 4545 (void) printf(gettext("'log' is now a reserved word\n"
4546 4546 "Pool 'log' must be renamed using export and import"
4547 4547 " to upgrade.\n"));
4548 4548 return (1);
4549 4549 }
4550 4550
4551 4551 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL);
4552 4552 if (cur_version > cbp->cb_version) {
4553 4553 (void) printf(gettext("Pool '%s' is already formatted "
4554 4554 "using more current version '%llu'.\n\n"),
4555 4555 zpool_get_name(zhp), cur_version);
4556 4556 return (0);
4557 4557 }
4558 4558
4559 4559 if (cbp->cb_version != SPA_VERSION && cur_version == cbp->cb_version) {
4560 4560 (void) printf(gettext("Pool '%s' is already formatted "
4561 4561 "using version %llu.\n\n"), zpool_get_name(zhp),
4562 4562 cbp->cb_version);
4563 4563 return (0);
4564 4564 }
4565 4565
4566 4566 if (cur_version != cbp->cb_version) {
4567 4567 printnl = B_TRUE;
4568 4568 ret = upgrade_version(zhp, cbp->cb_version);
4569 4569 if (ret != 0)
4570 4570 return (ret);
4571 4571 }
4572 4572
4573 4573 if (cbp->cb_version >= SPA_VERSION_FEATURES) {
4574 4574 int count = 0;
4575 4575 ret = upgrade_enable_all(zhp, &count);
4576 4576 if (ret != 0)
4577 4577 return (ret);
4578 4578
4579 4579 if (count != 0) {
4580 4580 printnl = B_TRUE;
4581 4581 } else if (cur_version == SPA_VERSION) {
4582 4582 (void) printf(gettext("Pool '%s' already has all "
4583 4583 "supported features enabled.\n"),
4584 4584 zpool_get_name(zhp));
4585 4585 }
4586 4586 }
4587 4587
4588 4588 if (printnl) {
4589 4589 (void) printf(gettext("\n"));
4590 4590 }
4591 4591
4592 4592 return (0);
4593 4593 }
4594 4594
4595 4595 /*
4596 4596 * zpool upgrade
4597 4597 * zpool upgrade -v
4598 4598 * zpool upgrade [-V version] <-a | pool ...>
4599 4599 *
4600 4600 * With no arguments, display downrev'd ZFS pool available for upgrade.
4601 4601 * Individual pools can be upgraded by specifying the pool, and '-a' will
4602 4602 * upgrade all pools.
4603 4603 */
4604 4604 int
4605 4605 zpool_do_upgrade(int argc, char **argv)
4606 4606 {
4607 4607 int c;
4608 4608 upgrade_cbdata_t cb = { 0 };
4609 4609 int ret = 0;
4610 4610 boolean_t showversions = B_FALSE;
4611 4611 boolean_t upgradeall = B_FALSE;
4612 4612 char *end;
4613 4613
4614 4614
4615 4615 /* check options */
4616 4616 while ((c = getopt(argc, argv, ":avV:")) != -1) {
4617 4617 switch (c) {
4618 4618 case 'a':
4619 4619 upgradeall = B_TRUE;
4620 4620 break;
4621 4621 case 'v':
4622 4622 showversions = B_TRUE;
4623 4623 break;
4624 4624 case 'V':
4625 4625 cb.cb_version = strtoll(optarg, &end, 10);
4626 4626 if (*end != '\0' ||
4627 4627 !SPA_VERSION_IS_SUPPORTED(cb.cb_version)) {
4628 4628 (void) fprintf(stderr,
4629 4629 gettext("invalid version '%s'\n"), optarg);
4630 4630 usage(B_FALSE);
4631 4631 }
4632 4632 break;
4633 4633 case ':':
4634 4634 (void) fprintf(stderr, gettext("missing argument for "
4635 4635 "'%c' option\n"), optopt);
4636 4636 usage(B_FALSE);
4637 4637 break;
4638 4638 case '?':
4639 4639 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4640 4640 optopt);
4641 4641 usage(B_FALSE);
4642 4642 }
4643 4643 }
4644 4644
4645 4645 cb.cb_argc = argc;
4646 4646 cb.cb_argv = argv;
4647 4647 argc -= optind;
4648 4648 argv += optind;
4649 4649
4650 4650 if (cb.cb_version == 0) {
4651 4651 cb.cb_version = SPA_VERSION;
4652 4652 } else if (!upgradeall && argc == 0) {
4653 4653 (void) fprintf(stderr, gettext("-V option is "
4654 4654 "incompatible with other arguments\n"));
4655 4655 usage(B_FALSE);
4656 4656 }
4657 4657
4658 4658 if (showversions) {
4659 4659 if (upgradeall || argc != 0) {
4660 4660 (void) fprintf(stderr, gettext("-v option is "
4661 4661 "incompatible with other arguments\n"));
4662 4662 usage(B_FALSE);
4663 4663 }
4664 4664 } else if (upgradeall) {
4665 4665 if (argc != 0) {
4666 4666 (void) fprintf(stderr, gettext("-a option should not "
4667 4667 "be used along with a pool name\n"));
4668 4668 usage(B_FALSE);
4669 4669 }
4670 4670 }
4671 4671
4672 4672 (void) printf(gettext("This system supports ZFS pool feature "
4673 4673 "flags.\n\n"));
4674 4674 if (showversions) {
4675 4675 int i;
4676 4676
4677 4677 (void) printf(gettext("The following features are "
4678 4678 "supported:\n\n"));
4679 4679 (void) printf(gettext("FEAT DESCRIPTION\n"));
4680 4680 (void) printf("----------------------------------------------"
4681 4681 "---------------\n");
4682 4682 for (i = 0; i < SPA_FEATURES; i++) {
4683 4683 zfeature_info_t *fi = &spa_feature_table[i];
4684 4684 const char *ro = fi->fi_can_readonly ?
4685 4685 " (read-only compatible)" : "";
4686 4686
4687 4687 (void) printf("%-37s%s\n", fi->fi_uname, ro);
4688 4688 (void) printf(" %s\n", fi->fi_desc);
4689 4689 }
4690 4690 (void) printf("\n");
4691 4691
4692 4692 (void) printf(gettext("The following legacy versions are also "
4693 4693 "supported:\n\n"));
4694 4694 (void) printf(gettext("VER DESCRIPTION\n"));
4695 4695 (void) printf("--- -----------------------------------------"
4696 4696 "---------------\n");
4697 4697 (void) printf(gettext(" 1 Initial ZFS version\n"));
4698 4698 (void) printf(gettext(" 2 Ditto blocks "
4699 4699 "(replicated metadata)\n"));
4700 4700 (void) printf(gettext(" 3 Hot spares and double parity "
4701 4701 "RAID-Z\n"));
4702 4702 (void) printf(gettext(" 4 zpool history\n"));
4703 4703 (void) printf(gettext(" 5 Compression using the gzip "
4704 4704 "algorithm\n"));
4705 4705 (void) printf(gettext(" 6 bootfs pool property\n"));
4706 4706 (void) printf(gettext(" 7 Separate intent log devices\n"));
4707 4707 (void) printf(gettext(" 8 Delegated administration\n"));
4708 4708 (void) printf(gettext(" 9 refquota and refreservation "
4709 4709 "properties\n"));
4710 4710 (void) printf(gettext(" 10 Cache devices\n"));
4711 4711 (void) printf(gettext(" 11 Improved scrub performance\n"));
4712 4712 (void) printf(gettext(" 12 Snapshot properties\n"));
4713 4713 (void) printf(gettext(" 13 snapused property\n"));
4714 4714 (void) printf(gettext(" 14 passthrough-x aclinherit\n"));
4715 4715 (void) printf(gettext(" 15 user/group space accounting\n"));
4716 4716 (void) printf(gettext(" 16 stmf property support\n"));
4717 4717 (void) printf(gettext(" 17 Triple-parity RAID-Z\n"));
4718 4718 (void) printf(gettext(" 18 Snapshot user holds\n"));
4719 4719 (void) printf(gettext(" 19 Log device removal\n"));
4720 4720 (void) printf(gettext(" 20 Compression using zle "
4721 4721 "(zero-length encoding)\n"));
4722 4722 (void) printf(gettext(" 21 Deduplication\n"));
4723 4723 (void) printf(gettext(" 22 Received properties\n"));
4724 4724 (void) printf(gettext(" 23 Slim ZIL\n"));
4725 4725 (void) printf(gettext(" 24 System attributes\n"));
4726 4726 (void) printf(gettext(" 25 Improved scrub stats\n"));
4727 4727 (void) printf(gettext(" 26 Improved snapshot deletion "
4728 4728 "performance\n"));
4729 4729 (void) printf(gettext(" 27 Improved snapshot creation "
4730 4730 "performance\n"));
4731 4731 (void) printf(gettext(" 28 Multiple vdev replacements\n"));
4732 4732 (void) printf(gettext("\nFor more information on a particular "
4733 4733 "version, including supported releases,\n"));
4734 4734 (void) printf(gettext("see the ZFS Administration Guide.\n\n"));
4735 4735 } else if (argc == 0 && upgradeall) {
4736 4736 cb.cb_first = B_TRUE;
4737 4737 ret = zpool_iter(g_zfs, upgrade_cb, &cb);
4738 4738 if (ret == 0 && cb.cb_first) {
4739 4739 if (cb.cb_version == SPA_VERSION) {
4740 4740 (void) printf(gettext("All pools are already "
4741 4741 "formatted using feature flags.\n\n"));
4742 4742 (void) printf(gettext("Every feature flags "
4743 4743 "pool already has all supported features "
4744 4744 "enabled.\n"));
4745 4745 } else {
4746 4746 (void) printf(gettext("All pools are already "
4747 4747 "formatted with version %llu or higher.\n"),
4748 4748 cb.cb_version);
4749 4749 }
4750 4750 }
4751 4751 } else if (argc == 0) {
4752 4752 cb.cb_first = B_TRUE;
4753 4753 ret = zpool_iter(g_zfs, upgrade_list_older_cb, &cb);
4754 4754 assert(ret == 0);
4755 4755
4756 4756 if (cb.cb_first) {
4757 4757 (void) printf(gettext("All pools are formatted "
4758 4758 "using feature flags.\n\n"));
4759 4759 } else {
4760 4760 (void) printf(gettext("\nUse 'zpool upgrade -v' "
4761 4761 "for a list of available legacy versions.\n"));
4762 4762 }
4763 4763
4764 4764 cb.cb_first = B_TRUE;
4765 4765 ret = zpool_iter(g_zfs, upgrade_list_disabled_cb, &cb);
4766 4766 assert(ret == 0);
4767 4767
4768 4768 if (cb.cb_first) {
4769 4769 (void) printf(gettext("Every feature flags pool has "
4770 4770 "all supported features enabled.\n"));
4771 4771 } else {
4772 4772 (void) printf(gettext("\n"));
4773 4773 }
4774 4774 } else {
4775 4775 ret = for_each_pool(argc, argv, B_FALSE, NULL,
4776 4776 upgrade_one, &cb);
4777 4777 }
4778 4778
4779 4779 return (ret);
4780 4780 }
4781 4781
4782 4782 typedef struct hist_cbdata {
4783 4783 boolean_t first;
4784 4784 boolean_t longfmt;
4785 4785 boolean_t internal;
4786 4786 } hist_cbdata_t;
4787 4787
4788 4788 /*
4789 4789 * Print out the command history for a specific pool.
4790 4790 */
4791 4791 static int
4792 4792 get_history_one(zpool_handle_t *zhp, void *data)
4793 4793 {
4794 4794 nvlist_t *nvhis;
4795 4795 nvlist_t **records;
4796 4796 uint_t numrecords;
4797 4797 int ret, i;
4798 4798 hist_cbdata_t *cb = (hist_cbdata_t *)data;
4799 4799
4800 4800 cb->first = B_FALSE;
4801 4801
4802 4802 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp));
4803 4803
4804 4804 if ((ret = zpool_get_history(zhp, &nvhis)) != 0)
4805 4805 return (ret);
4806 4806
4807 4807 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD,
4808 4808 &records, &numrecords) == 0);
4809 4809 for (i = 0; i < numrecords; i++) {
4810 4810 nvlist_t *rec = records[i];
4811 4811 char tbuf[30] = "";
4812 4812
4813 4813 if (nvlist_exists(rec, ZPOOL_HIST_TIME)) {
4814 4814 time_t tsec;
4815 4815 struct tm t;
4816 4816
4817 4817 tsec = fnvlist_lookup_uint64(records[i],
4818 4818 ZPOOL_HIST_TIME);
4819 4819 (void) localtime_r(&tsec, &t);
4820 4820 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
4821 4821 }
4822 4822
4823 4823 if (nvlist_exists(rec, ZPOOL_HIST_CMD)) {
4824 4824 (void) printf("%s %s", tbuf,
4825 4825 fnvlist_lookup_string(rec, ZPOOL_HIST_CMD));
4826 4826 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_EVENT)) {
4827 4827 int ievent =
4828 4828 fnvlist_lookup_uint64(rec, ZPOOL_HIST_INT_EVENT);
4829 4829 if (!cb->internal)
4830 4830 continue;
4831 4831 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) {
4832 4832 (void) printf("%s unrecognized record:\n",
4833 4833 tbuf);
4834 4834 dump_nvlist(rec, 4);
4835 4835 continue;
4836 4836 }
4837 4837 (void) printf("%s [internal %s txg:%lld] %s", tbuf,
4838 4838 zfs_history_event_names[ievent],
4839 4839 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG),
4840 4840 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_STR));
4841 4841 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_NAME)) {
4842 4842 if (!cb->internal)
4843 4843 continue;
4844 4844 (void) printf("%s [txg:%lld] %s", tbuf,
4845 4845 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG),
4846 4846 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_NAME));
4847 4847 if (nvlist_exists(rec, ZPOOL_HIST_DSNAME)) {
4848 4848 (void) printf(" %s (%llu)",
4849 4849 fnvlist_lookup_string(rec,
4850 4850 ZPOOL_HIST_DSNAME),
4851 4851 fnvlist_lookup_uint64(rec,
4852 4852 ZPOOL_HIST_DSID));
4853 4853 }
4854 4854 (void) printf(" %s", fnvlist_lookup_string(rec,
4855 4855 ZPOOL_HIST_INT_STR));
4856 4856 } else if (nvlist_exists(rec, ZPOOL_HIST_IOCTL)) {
4857 4857 if (!cb->internal)
4858 4858 continue;
4859 4859 (void) printf("%s ioctl %s\n", tbuf,
4860 4860 fnvlist_lookup_string(rec, ZPOOL_HIST_IOCTL));
4861 4861 if (nvlist_exists(rec, ZPOOL_HIST_INPUT_NVL)) {
4862 4862 (void) printf(" input:\n");
4863 4863 dump_nvlist(fnvlist_lookup_nvlist(rec,
4864 4864 ZPOOL_HIST_INPUT_NVL), 8);
4865 4865 }
4866 4866 if (nvlist_exists(rec, ZPOOL_HIST_OUTPUT_NVL)) {
4867 4867 (void) printf(" output:\n");
4868 4868 dump_nvlist(fnvlist_lookup_nvlist(rec,
4869 4869 ZPOOL_HIST_OUTPUT_NVL), 8);
4870 4870 }
4871 4871 } else {
4872 4872 if (!cb->internal)
4873 4873 continue;
4874 4874 (void) printf("%s unrecognized record:\n", tbuf);
4875 4875 dump_nvlist(rec, 4);
4876 4876 }
4877 4877
4878 4878 if (!cb->longfmt) {
4879 4879 (void) printf("\n");
4880 4880 continue;
4881 4881 }
4882 4882 (void) printf(" [");
4883 4883 if (nvlist_exists(rec, ZPOOL_HIST_WHO)) {
4884 4884 uid_t who = fnvlist_lookup_uint64(rec, ZPOOL_HIST_WHO);
4885 4885 struct passwd *pwd = getpwuid(who);
4886 4886 (void) printf("user %d ", (int)who);
4887 4887 if (pwd != NULL)
4888 4888 (void) printf("(%s) ", pwd->pw_name);
4889 4889 }
4890 4890 if (nvlist_exists(rec, ZPOOL_HIST_HOST)) {
4891 4891 (void) printf("on %s",
4892 4892 fnvlist_lookup_string(rec, ZPOOL_HIST_HOST));
4893 4893 }
4894 4894 if (nvlist_exists(rec, ZPOOL_HIST_ZONE)) {
4895 4895 (void) printf(":%s",
4896 4896 fnvlist_lookup_string(rec, ZPOOL_HIST_ZONE));
4897 4897 }
4898 4898 (void) printf("]");
4899 4899 (void) printf("\n");
4900 4900 }
4901 4901 (void) printf("\n");
4902 4902 nvlist_free(nvhis);
4903 4903
4904 4904 return (ret);
4905 4905 }
4906 4906
4907 4907 /*
4908 4908 * zpool history <pool>
4909 4909 *
4910 4910 * Displays the history of commands that modified pools.
4911 4911 */
4912 4912 int
4913 4913 zpool_do_history(int argc, char **argv)
4914 4914 {
4915 4915 hist_cbdata_t cbdata = { 0 };
4916 4916 int ret;
4917 4917 int c;
4918 4918
4919 4919 cbdata.first = B_TRUE;
4920 4920 /* check options */
4921 4921 while ((c = getopt(argc, argv, "li")) != -1) {
4922 4922 switch (c) {
4923 4923 case 'l':
4924 4924 cbdata.longfmt = B_TRUE;
4925 4925 break;
4926 4926 case 'i':
4927 4927 cbdata.internal = B_TRUE;
4928 4928 break;
4929 4929 case '?':
4930 4930 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4931 4931 optopt);
4932 4932 usage(B_FALSE);
4933 4933 }
4934 4934 }
4935 4935 argc -= optind;
4936 4936 argv += optind;
4937 4937
4938 4938 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one,
4939 4939 &cbdata);
4940 4940
4941 4941 if (argc == 0 && cbdata.first == B_TRUE) {
4942 4942 (void) printf(gettext("no pools available\n"));
4943 4943 return (0);
4944 4944 }
4945 4945
4946 4946 return (ret);
4947 4947 }
4948 4948
4949 4949 static int
4950 4950 get_callback(zpool_handle_t *zhp, void *data)
4951 4951 {
4952 4952 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data;
4953 4953 char value[MAXNAMELEN];
4954 4954 zprop_source_t srctype;
4955 4955 zprop_list_t *pl;
4956 4956
4957 4957 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) {
4958 4958
4959 4959 /*
4960 4960 * Skip the special fake placeholder. This will also skip
4961 4961 * over the name property when 'all' is specified.
4962 4962 */
4963 4963 if (pl->pl_prop == ZPOOL_PROP_NAME &&
4964 4964 pl == cbp->cb_proplist)
4965 4965 continue;
4966 4966
4967 4967 if (pl->pl_prop == ZPROP_INVAL &&
4968 4968 (zpool_prop_feature(pl->pl_user_prop) ||
4969 4969 zpool_prop_unsupported(pl->pl_user_prop))) {
4970 4970 srctype = ZPROP_SRC_LOCAL;
4971 4971
4972 4972 if (zpool_prop_get_feature(zhp, pl->pl_user_prop,
4973 4973 value, sizeof (value)) == 0) {
4974 4974 zprop_print_one_property(zpool_get_name(zhp),
4975 4975 cbp, pl->pl_user_prop, value, srctype,
4976 4976 NULL, NULL);
4977 4977 }
4978 4978 } else {
4979 4979 if (zpool_get_prop(zhp, pl->pl_prop, value,
4980 4980 sizeof (value), &srctype) != 0)
4981 4981 continue;
4982 4982
4983 4983 zprop_print_one_property(zpool_get_name(zhp), cbp,
4984 4984 zpool_prop_to_name(pl->pl_prop), value, srctype,
4985 4985 NULL, NULL);
4986 4986 }
4987 4987 }
4988 4988 return (0);
4989 4989 }
4990 4990
4991 4991 int
4992 4992 zpool_do_get(int argc, char **argv)
4993 4993 {
4994 4994 zprop_get_cbdata_t cb = { 0 };
4995 4995 zprop_list_t fake_name = { 0 };
4996 4996 int ret;
4997 4997
4998 4998 if (argc < 2) {
4999 4999 (void) fprintf(stderr, gettext("missing property "
5000 5000 "argument\n"));
5001 5001 usage(B_FALSE);
5002 5002 }
5003 5003
5004 5004 cb.cb_first = B_TRUE;
5005 5005 cb.cb_sources = ZPROP_SRC_ALL;
5006 5006 cb.cb_columns[0] = GET_COL_NAME;
5007 5007 cb.cb_columns[1] = GET_COL_PROPERTY;
5008 5008 cb.cb_columns[2] = GET_COL_VALUE;
5009 5009 cb.cb_columns[3] = GET_COL_SOURCE;
5010 5010 cb.cb_type = ZFS_TYPE_POOL;
5011 5011
5012 5012 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist,
5013 5013 ZFS_TYPE_POOL) != 0)
5014 5014 usage(B_FALSE);
5015 5015
5016 5016 if (cb.cb_proplist != NULL) {
5017 5017 fake_name.pl_prop = ZPOOL_PROP_NAME;
5018 5018 fake_name.pl_width = strlen(gettext("NAME"));
5019 5019 fake_name.pl_next = cb.cb_proplist;
5020 5020 cb.cb_proplist = &fake_name;
5021 5021 }
5022 5022
5023 5023 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist,
5024 5024 get_callback, &cb);
5025 5025
5026 5026 if (cb.cb_proplist == &fake_name)
5027 5027 zprop_free_list(fake_name.pl_next);
5028 5028 else
5029 5029 zprop_free_list(cb.cb_proplist);
5030 5030
5031 5031 return (ret);
5032 5032 }
5033 5033
5034 5034 typedef struct set_cbdata {
5035 5035 char *cb_propname;
5036 5036 char *cb_value;
5037 5037 boolean_t cb_any_successful;
5038 5038 } set_cbdata_t;
5039 5039
5040 5040 int
5041 5041 set_callback(zpool_handle_t *zhp, void *data)
5042 5042 {
5043 5043 int error;
5044 5044 set_cbdata_t *cb = (set_cbdata_t *)data;
5045 5045
5046 5046 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value);
5047 5047
5048 5048 if (!error)
5049 5049 cb->cb_any_successful = B_TRUE;
5050 5050
5051 5051 return (error);
5052 5052 }
5053 5053
5054 5054 int
5055 5055 zpool_do_set(int argc, char **argv)
5056 5056 {
5057 5057 set_cbdata_t cb = { 0 };
5058 5058 int error;
5059 5059
5060 5060 if (argc > 1 && argv[1][0] == '-') {
5061 5061 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5062 5062 argv[1][1]);
5063 5063 usage(B_FALSE);
5064 5064 }
5065 5065
5066 5066 if (argc < 2) {
5067 5067 (void) fprintf(stderr, gettext("missing property=value "
5068 5068 "argument\n"));
5069 5069 usage(B_FALSE);
5070 5070 }
5071 5071
5072 5072 if (argc < 3) {
5073 5073 (void) fprintf(stderr, gettext("missing pool name\n"));
5074 5074 usage(B_FALSE);
5075 5075 }
5076 5076
5077 5077 if (argc > 3) {
5078 5078 (void) fprintf(stderr, gettext("too many pool names\n"));
5079 5079 usage(B_FALSE);
5080 5080 }
5081 5081
5082 5082 cb.cb_propname = argv[1];
5083 5083 cb.cb_value = strchr(cb.cb_propname, '=');
5084 5084 if (cb.cb_value == NULL) {
5085 5085 (void) fprintf(stderr, gettext("missing value in "
5086 5086 "property=value argument\n"));
5087 5087 usage(B_FALSE);
5088 5088 }
5089 5089
5090 5090 *(cb.cb_value) = '\0';
5091 5091 cb.cb_value++;
5092 5092
5093 5093 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL,
5094 5094 set_callback, &cb);
5095 5095
5096 5096 return (error);
5097 5097 }
5098 5098
5099 5099 static int
5100 5100 find_command_idx(char *command, int *idx)
5101 5101 {
5102 5102 int i;
5103 5103
5104 5104 for (i = 0; i < NCOMMAND; i++) {
5105 5105 if (command_table[i].name == NULL)
5106 5106 continue;
5107 5107
5108 5108 if (strcmp(command, command_table[i].name) == 0) {
5109 5109 *idx = i;
5110 5110 return (0);
5111 5111 }
5112 5112 }
5113 5113 return (1);
5114 5114 }
5115 5115
5116 5116 int
5117 5117 main(int argc, char **argv)
5118 5118 {
5119 5119 int ret;
5120 5120 int i;
5121 5121 char *cmdname;
5122 5122
5123 5123 (void) setlocale(LC_ALL, "");
5124 5124 (void) textdomain(TEXT_DOMAIN);
5125 5125
5126 5126 if ((g_zfs = libzfs_init()) == NULL) {
5127 5127 (void) fprintf(stderr, gettext("internal error: failed to "
5128 5128 "initialize ZFS library\n"));
5129 5129 return (1);
5130 5130 }
5131 5131
5132 5132 libzfs_print_on_error(g_zfs, B_TRUE);
5133 5133
5134 5134 opterr = 0;
5135 5135
5136 5136 /*
5137 5137 * Make sure the user has specified some command.
5138 5138 */
5139 5139 if (argc < 2) {
5140 5140 (void) fprintf(stderr, gettext("missing command\n"));
5141 5141 usage(B_FALSE);
5142 5142 }
5143 5143
5144 5144 cmdname = argv[1];
5145 5145
5146 5146 /*
5147 5147 * Special case '-?'
5148 5148 */
5149 5149 if (strcmp(cmdname, "-?") == 0)
5150 5150 usage(B_TRUE);
5151 5151
5152 5152 zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
5153 5153
5154 5154 /*
5155 5155 * Run the appropriate command.
5156 5156 */
5157 5157 if (find_command_idx(cmdname, &i) == 0) {
5158 5158 current_command = &command_table[i];
5159 5159 ret = command_table[i].func(argc - 1, argv + 1);
5160 5160 } else if (strchr(cmdname, '=')) {
5161 5161 verify(find_command_idx("set", &i) == 0);
5162 5162 current_command = &command_table[i];
5163 5163 ret = command_table[i].func(argc, argv);
5164 5164 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) {
5165 5165 /*
5166 5166 * 'freeze' is a vile debugging abomination, so we treat
5167 5167 * it as such.
5168 5168 */
5169 5169 char buf[16384];
5170 5170 int fd = open(ZFS_DEV, O_RDWR);
5171 5171 (void) strcpy((void *)buf, argv[2]);
5172 5172 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf));
5173 5173 } else {
5174 5174 (void) fprintf(stderr, gettext("unrecognized "
5175 5175 "command '%s'\n"), cmdname);
5176 5176 usage(B_FALSE);
5177 5177 }
5178 5178
5179 5179 if (ret == 0 && log_history)
5180 5180 (void) zpool_log_history(g_zfs, history_str);
5181 5181
5182 5182 libzfs_fini(g_zfs);
5183 5183
5184 5184 /*
5185 5185 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
5186 5186 * for the purposes of running ::findleaks.
5187 5187 */
5188 5188 if (getenv("ZFS_ABORT") != NULL) {
5189 5189 (void) printf("dumping core by request\n");
5190 5190 abort();
5191 5191 }
5192 5192
5193 5193 return (ret);
5194 5194 }
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