1 #! /bin/ksh -p 2 # 3 # CDDL HEADER START 4 # 5 # The contents of this file are subject to the terms of the 6 # Common Development and Distribution License (the "License"). 7 # You may not use this file except in compliance with the License. 8 # 9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 # or http://www.opensolaris.org/os/licensing. 11 # See the License for the specific language governing permissions 12 # and limitations under the License. 13 # 14 # When distributing Covered Code, include this CDDL HEADER in each 15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 # If applicable, add the following below this CDDL HEADER, with the 17 # fields enclosed by brackets "[]" replaced with your own identifying 18 # information: Portions Copyright [yyyy] [name of copyright owner] 19 # 20 # CDDL HEADER END 21 # 22 23 # 24 # Copyright 2007 Sun Microsystems, Inc. All rights reserved. 25 # Use is subject to license terms. 26 # 27 28 # 29 # Copyright (c) 2013 by Delphix. All rights reserved. 30 # 31 32 . $STF_SUITE/include/libtest.shlib 33 . $STF_SUITE/tests/functional/snapshot/snapshot.cfg 34 35 # 36 # DESCRIPTION: 37 # Populate a file system and take a snapshot. Add some more files to the 38 # file system and rollback to the last snapshot. Verify no post snapshot 39 # file exist. 40 # 41 # STRATEGY: 42 # 1. Empty a file system 43 # 2. Populate the file system 44 # 3. Take a snapshot of the file system 45 # 4. Add new files to the file system 46 # 5. Perform a rollback 47 # 6. Verify the snapshot and file system agree 48 # 49 50 verify_runnable "both" 51 52 function cleanup 53 { 54 snapexists $SNAPFS 55 [[ $? -eq 0 ]] && \ 56 log_must $ZFS destroy $SNAPFS 57 58 [[ -e $TESTDIR ]] && \ 59 log_must $RM -rf $TESTDIR/* > /dev/null 2>&1 60 } 61 62 log_assert "Verify that a rollback to a previous snapshot succeeds." 63 64 log_onexit cleanup 65 66 [[ -n $TESTDIR ]] && \ 67 log_must $RM -rf $TESTDIR/* > /dev/null 2>&1 68 69 typeset -i COUNT=10 70 71 log_note "Populate the $TESTDIR directory (prior to snapshot)" 72 typeset -i i=1 73 while [[ $i -le $COUNT ]]; do 74 log_must $FILE_WRITE -o create -f $TESTDIR/before_file$i \ 75 -b $BLOCKSZ -c $NUM_WRITES -d $i 76 77 (( i = i + 1 )) 78 done 79 80 log_must $ZFS snapshot $SNAPFS 81 82 FILE_COUNT=`$LS -Al $SNAPDIR | $GREP -v "total" | wc -l` 83 if [[ $FILE_COUNT -ne $COUNT ]]; then 84 $LS -Al $SNAPDIR 85 log_fail "AFTER: $SNAPFS contains $FILE_COUNT files(s)." 86 fi 87 88 log_note "Populate the $TESTDIR directory (post snapshot)" 89 typeset -i i=1 90 while [[ $i -le $COUNT ]]; do 91 log_must $FILE_WRITE -o create -f $TESTDIR/after_file$i \ 92 -b $BLOCKSZ -c $NUM_WRITES -d $i 93 94 (( i = i + 1 )) 95 done 96 97 # 98 # Now rollback to latest snapshot 99 # 100 log_must $ZFS rollback $SNAPFS 101 102 FILE_COUNT=`$LS -Al $TESTDIR/after* 2> /dev/null | $GREP -v "total" | wc -l` 103 if [[ $FILE_COUNT -ne 0 ]]; then 104 $LS -Al $TESTDIR 105 log_fail "$TESTDIR contains $FILE_COUNT after* files(s)." 106 fi 107 108 FILE_COUNT=`$LS -Al $TESTDIR/before* 2> /dev/null \ 109 | $GREP -v "total" | wc -l` 110 if [[ $FILE_COUNT -ne $COUNT ]]; then 111 $LS -Al $TESTDIR 112 log_fail "$TESTDIR contains $FILE_COUNT before* files(s)." 113 fi 114 115 log_pass "The rollback operation succeeded."