#! /bin/ksh -p # # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License (the "License"). # You may not use this file except in compliance with the License. # # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE # or http://www.opensolaris.org/os/licensing. # See the License for the specific language governing permissions # and limitations under the License. # # When distributing Covered Code, include this CDDL HEADER in each # file and include the License file at usr/src/OPENSOLARIS.LICENSE. # If applicable, add the following below this CDDL HEADER, with the # fields enclosed by brackets "[]" replaced with your own identifying # information: Portions Copyright [yyyy] [name of copyright owner] # # CDDL HEADER END # # # Copyright 2007 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # # # Copyright (c) 2013, 2016 by Delphix. All rights reserved. # . $STF_SUITE/include/libtest.shlib . $STF_SUITE/tests/functional/snapshot/snapshot.cfg # # DESCRIPTION: # Verify that rollbacks are with respect to the latest snapshot. # # STRATEGY: # 1. Empty a file system # 2. Populate the file system # 3. Take a snapshot of the file system # 4. Add new files to the file system # 5. Take a snapshot # 6. Remove the original files # 7. Perform a rollback # 8. Verify the latest snapshot and file system agree # verify_runnable "both" function cleanup { snapexists $SNAPFS.1 [[ $? -eq 0 ]] && \ log_must zfs destroy $SNAPFS.1 snapexists $SNAPFS [[ $? -eq 0 ]] && \ log_must zfs destroy $SNAPFS [[ -e $TESTDIR ]] && \ log_must rm -rf $TESTDIR/* > /dev/null 2>&1 } log_assert "Verify rollback is with respect to latest snapshot." log_onexit cleanup [[ -n $TESTDIR ]] && \ log_must rm -rf $TESTDIR/* > /dev/null 2>&1 typeset -i COUNT=10 log_note "Populate the $TESTDIR directory (prior to first snapshot)" typeset -i i=1 while [[ $i -le $COUNT ]]; do log_must file_write -o create -f $TESTDIR/original_file$i \ -b $BLOCKSZ -c $NUM_WRITES -d $i (( i = i + 1 )) done log_must zfs snapshot $SNAPFS FILE_COUNT=`ls -Al $SNAPDIR | grep -v "total" | wc -l` if [[ $FILE_COUNT -ne $COUNT ]]; then ls -Al $SNAPDIR log_fail "AFTER: $SNAPFS contains $FILE_COUNT files(s)." fi log_note "Populate the $TESTDIR directory (prior to second snapshot)" typeset -i i=1 while [[ $i -le $COUNT ]]; do log_must file_write -o create -f $TESTDIR/afterfirst_file$i \ -b $BLOCKSZ -c $NUM_WRITES -d $i (( i = i + 1 )) done log_must zfs snapshot $SNAPFS.1 log_note "Populate the $TESTDIR directory (Post second snapshot)" typeset -i i=1 while [[ $i -le $COUNT ]]; do log_must file_write -o create -f $TESTDIR/aftersecond_file$i \ -b $BLOCKSZ -c $NUM_WRITES -d $i (( i = i + 1 )) done [[ -n $TESTDIR ]] && \ log_must rm -rf $TESTDIR/original_file* > /dev/null 2>&1 # # Now rollback to latest snapshot # log_must zfs rollback $SNAPFS.1 FILE_COUNT=`ls -Al $TESTDIR/aftersecond* 2> /dev/null \ | grep -v "total" | wc -l` if [[ $FILE_COUNT -ne 0 ]]; then ls -Al $TESTDIR log_fail "$TESTDIR contains $FILE_COUNT aftersecond* files(s)." fi FILE_COUNT=`ls -Al $TESTDIR/original* $TESTDIR/afterfirst*| grep -v "total" | wc -l` if [[ $FILE_COUNT -ne 20 ]]; then ls -Al $TESTDIR log_fail "$TESTDIR contains $FILE_COUNT original* files(s)." fi log_pass "The rollback to the latest snapshot succeeded."