1#! /usr/local/bin/ksh93 -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# ident "@(#)snapshot_001_pos.ksh 1.2 07/01/09 SMI" 28# 29. $STF_SUITE/include/libtest.kshlib 30 31################################################################################ 32# 33# __stc_assertion_start 34# 35# ID: snapshot_001_pos 36# 37# DESCRIPTION: 38# A zfs file system snapshot is identical to 39# the originally snapshot'd file system, after the file 40# system has been changed. Uses 'sum -r'. 41# 42# STRATEGY: 43# 1. Create a file in the zfs file system 44# 2. Checksum the file for later comparison 45# 3. Create a snapshot of the dataset 46# 4. Append to the original file 47# 5. Verify the snapshot and file agree 48# 49# TESTABILITY: explicit 50# 51# TEST_AUTOMATION_LEVEL: automated 52# 53# CODING_STATUS: COMPLETED (2005-07-04) 54# 55# __stc_assertion_end 56# 57############################################################################### 58 59verify_runnable "both" 60 61function cleanup 62{ 63 snapexists $SNAPFS 64 if [[ $? -eq 0 ]]; then 65 log_must $ZFS destroy $SNAPFS 66 fi 67 68 if [[ -e $SNAPDIR ]]; then 69 log_must $RM -rf $SNAPDIR > /dev/null 2>&1 70 fi 71 72 if [[ -e $TESTDIR ]]; then 73 log_must $RM -rf $TESTDIR/* > /dev/null 2>&1 74 fi 75} 76 77log_assert "Verify a file system snapshot is identical to original." 78 79log_onexit cleanup 80 81log_note "Create a file in the zfs filesystem..." 82log_must $FILE_WRITE -o create -f $TESTDIR/$TESTFILE -b $BLOCKSZ \ 83 -c $NUM_WRITES -d $DATA 84 85log_note "Sum the file, save for later comparison..." 86FILE_SUM=`$SUM -r $TESTDIR/$TESTFILE | $AWK '{ print $1 }'` 87log_note "FILE_SUM = $FILE_SUM" 88 89log_note "Create a snapshot and mount it..." 90log_must $ZFS snapshot $SNAPFS 91 92log_note "Append to the original file..." 93log_must $FILE_WRITE -o append -f $TESTDIR/$TESTFILE -b $BLOCKSZ \ 94 -c $NUM_WRITES -d $DATA 95 96SNAP_FILE_SUM=`$SUM -r $SNAPDIR/$TESTFILE | $AWK '{ print $1 }'` 97if [[ $SNAP_FILE_SUM -ne $FILE_SUM ]]; then 98 log_fail "Sums do not match, aborting!! ($SNAP_FILE_SUM != $FILE_SUM)" 99fi 100 101log_pass "Both Sums match. ($SNAP_FILE_SUM == $FILE_SUM)" 102