1# 2# CDDL HEADER START 3# 4# The contents of this file are subject to the terms of the 5# Common Development and Distribution License (the "License"). 6# You may not use this file except in compliance with the License. 7# 8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9# or http://www.opensolaris.org/os/licensing. 10# See the License for the specific language governing permissions 11# and limitations under the License. 12# 13# When distributing Covered Code, include this CDDL HEADER in each 14# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15# If applicable, add the following below this CDDL HEADER, with the 16# fields enclosed by brackets "[]" replaced with your own identifying 17# information: Portions Copyright [yyyy] [name of copyright owner] 18# 19# CDDL HEADER END 20# 21 22# 23# Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24# Use is subject to license terms. 25# 26 27# 28# Copyright (c) 2013, 2016 by Delphix. All rights reserved. 29# Copyright (c) 2017 Datto Inc. 30# 31 32. $STF_SUITE/include/libtest.shlib 33. $STF_SUITE/tests/functional/clean_mirror/default.cfg 34 35function overwrite_verify_mirror 36{ 37 typeset AFFECTED_DEVICE=$1 38 typeset OVERWRITING_DEVICE=$2 39 40 typeset atfile=0 41 set -A files 42 set -A cksums 43 set -A newcksums 44 45 while (( atfile < FILE_COUNT )); do 46 files[$atfile]=$TESTDIR/file.$atfile 47 log_must file_write -o create -f $TESTDIR/file.$atfile \ 48 -b $FILE_SIZE -c 1 49 cksums[$atfile]=$(cksum ${files[$atfile]}) 50 (( atfile = atfile + 1 )) 51 done 52 53 # dd the affected side of the mirror 54 log_must dd if=$OVERWRITING_DEVICE of=$AFFECTED_DEVICE \ 55 seek=8 bs=$DD_BLOCK count=$(( DD_COUNT - 128 )) conv=notrunc 56 57 atfile=0 58 59 # 60 # Flush out the cache so that we ensure we're reading from disk. 61 # 62 log_must zpool export $TESTPOOL 63 log_must zpool import -d $SIDE_DIR $TESTPOOL 64 65 typeset -i failedcount=0 66 while (( atfile < FILE_COUNT )); do 67 files[$atfile]=$TESTDIR/file.$atfile 68 newcksum=$(cksum ${files[$atfile]}) 69 if [[ $newcksum != ${cksums[$atfile]} ]]; then 70 (( failedcount = failedcount + 1 )) 71 fi 72 rm -f ${files[$atfile]} 73 (( atfile = atfile + 1 )) 74 done 75 76 if (( $failedcount > 0 )); then 77 log_fail "of the $FILE_COUNT files $failedcount did not " \ 78 "have the same checksum before and after." 79 fi 80 81 log_must zpool scrub $TESTPOOL 82 log_must wait_scrubbed $TESTPOOL 83} 84