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3740 Poor ZFS send / receive performance due to snapshot hold / release processing
Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
*** 19,28 ****
--- 19,29 ----
* CDDL HEADER END
*/
/*
* Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2013 Steven Hartland. All rights reserved.
*/
/*
* zhack is a debugging tool that can write changes to ZFS pool using libzpool
* for testing purposes. Altering pools with zhack is unsupported and may
*** 151,161 ****
if ((sepp = strpbrk(g_pool, "/@")) != NULL)
*sepp = '\0';
g_importargs.poolname = g_pool;
pools = zpool_search_import(g_zfs, &g_importargs);
! if (pools == NULL || nvlist_next_nvpair(pools, NULL) == NULL) {
if (!g_importargs.can_be_active) {
g_importargs.can_be_active = B_TRUE;
if (zpool_search_import(g_zfs, &g_importargs) != NULL ||
spa_open(target, &spa, FTAG) == 0) {
fatal("cannot import '%s': pool is active; run "
--- 152,162 ----
if ((sepp = strpbrk(g_pool, "/@")) != NULL)
*sepp = '\0';
g_importargs.poolname = g_pool;
pools = zpool_search_import(g_zfs, &g_importargs);
! if (nvlist_empty(pools)) {
if (!g_importargs.can_be_active) {
g_importargs.can_be_active = B_TRUE;
if (zpool_search_import(g_zfs, &g_importargs) != NULL ||
spa_open(target, &spa, FTAG) == 0) {
fatal("cannot import '%s': pool is active; run "