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, 2016 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# Verify that rollbacks are with respect to the latest snapshot. 38# 39# STRATEGY: 40# 1. Empty a file system 41# 2. Populate the file system 42# 3. Take a snapshot of the file system 43# 4. Add new files to the file system 44# 5. Take a snapshot 45# 6. Remove the original files 46# 7. Perform a rollback 47# 8. Verify the latest snapshot and file system agree 48# 49 50verify_runnable "both" 51 52function cleanup 53{ 54 snapexists $SNAPFS.1 && 55 log_must zfs destroy $SNAPFS.1 56 57 snapexists $SNAPFS && 58 log_must zfs destroy $SNAPFS 59 60 [ -e $TESTDIR ] && log_must rm -rf $TESTDIR/* 61} 62 63log_assert "Verify rollback is with respect to latest snapshot." 64 65log_onexit cleanup 66 67[ -n $TESTDIR ] && log_must rm -rf $TESTDIR/* 68 69typeset -i COUNT=10 70 71log_note "Populate the $TESTDIR directory (prior to first snapshot)" 72typeset -i i=1 73while [[ $i -le $COUNT ]]; do 74 log_must file_write -o create -f $TESTDIR/original_file$i \ 75 -b $BLOCKSZ -c $NUM_WRITES -d $i 76 77 (( i = i + 1 )) 78done 79 80log_must zfs snapshot $SNAPFS 81 82FILE_COUNT=$(ls -A $SNAPDIR | wc -l) 83if [[ $FILE_COUNT -ne $COUNT ]]; then 84 ls -Al $SNAPDIR 85 log_fail "AFTER: $SNAPFS contains $FILE_COUNT files(s)." 86fi 87 88log_note "Populate the $TESTDIR directory (prior to second snapshot)" 89typeset -i i=1 90while [[ $i -le $COUNT ]]; do 91 log_must file_write -o create -f $TESTDIR/afterfirst_file$i \ 92 -b $BLOCKSZ -c $NUM_WRITES -d $i 93 94 (( i = i + 1 )) 95done 96 97log_must zfs snapshot $SNAPFS.1 98 99log_note "Populate the $TESTDIR directory (Post second snapshot)" 100typeset -i i=1 101while [[ $i -le $COUNT ]]; do 102 log_must file_write -o create -f $TESTDIR/aftersecond_file$i \ 103 -b $BLOCKSZ -c $NUM_WRITES -d $i 104 105 (( i = i + 1 )) 106done 107 108[ -n $TESTDIR ] && log_must rm -f $TESTDIR/original_file* 109 110# 111# Now rollback to latest snapshot 112# 113log_must zfs rollback $SNAPFS.1 114 115FILE_COUNT=$(ls -A $TESTDIR/aftersecond* 2> /dev/null | wc -l) 116if [[ $FILE_COUNT -ne 0 ]]; then 117 ls -Al $TESTDIR 118 log_fail "$TESTDIR contains $FILE_COUNT aftersecond* files(s)." 119fi 120 121FILE_COUNT=$(ls -A $TESTDIR/original* $TESTDIR/afterfirst* | wc -l) 122if [[ $FILE_COUNT -ne 20 ]]; then 123 ls -Al $TESTDIR 124 log_fail "$TESTDIR contains $FILE_COUNT original* files(s)." 125fi 126 127log_pass "The rollback to the latest snapshot succeeded." 128