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# $FreeBSD$ 24 25# 26# Copyright 2007 Sun Microsystems, Inc. All rights reserved. 27# Use is subject to license terms. 28# 29# ident "@(#)snapshot_001_pos.ksh 1.2 07/01/09 SMI" 30# 31. $STF_SUITE/include/libtest.kshlib 32 33################################################################################ 34# 35# __stc_assertion_start 36# 37# ID: snapshot_001_pos 38# 39# DESCRIPTION: 40# A zfs file system snapshot is identical to 41# the originally snapshot'd file system, after the file 42# system has been changed. Uses 'sum -r'. 43# 44# STRATEGY: 45# 1. Create a file in the zfs file system 46# 2. Checksum the file for later comparison 47# 3. Create a snapshot of the dataset 48# 4. Append to the original file 49# 5. Verify the snapshot and file agree 50# 51# TESTABILITY: explicit 52# 53# TEST_AUTOMATION_LEVEL: automated 54# 55# CODING_STATUS: COMPLETED (2005-07-04) 56# 57# __stc_assertion_end 58# 59############################################################################### 60 61verify_runnable "both" 62 63function cleanup 64{ 65 snapexists $SNAPFS 66 if [[ $? -eq 0 ]]; then 67 log_must $ZFS destroy $SNAPFS 68 fi 69 70 if [[ -e $SNAPDIR ]]; then 71 log_must $RM -rf $SNAPDIR > /dev/null 2>&1 72 fi 73 74 if [[ -e $TESTDIR ]]; then 75 log_must $RM -rf $TESTDIR/* > /dev/null 2>&1 76 fi 77} 78 79log_assert "Verify a file system snapshot is identical to original." 80 81log_onexit cleanup 82 83log_note "Create a file in the zfs filesystem..." 84log_must $FILE_WRITE -o create -f $TESTDIR/$TESTFILE -b $BLOCKSZ \ 85 -c $NUM_WRITES -d $DATA 86 87log_note "Sum the file, save for later comparison..." 88FILE_SUM=`$SUM -r $TESTDIR/$TESTFILE | $AWK '{ print $1 }'` 89log_note "FILE_SUM = $FILE_SUM" 90 91log_note "Create a snapshot and mount it..." 92log_must $ZFS snapshot $SNAPFS 93 94log_note "Append to the original file..." 95log_must $FILE_WRITE -o append -f $TESTDIR/$TESTFILE -b $BLOCKSZ \ 96 -c $NUM_WRITES -d $DATA 97 98SNAP_FILE_SUM=`$SUM -r $SNAPDIR/$TESTFILE | $AWK '{ print $1 }'` 99if [[ $SNAP_FILE_SUM -ne $FILE_SUM ]]; then 100 log_fail "Sums do not match, aborting!! ($SNAP_FILE_SUM != $FILE_SUM)" 101fi 102 103log_pass "Both Sums match. ($SNAP_FILE_SUM == $FILE_SUM)" 104