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 35# Most of the code related to the clearing of mirrors is duplicated in all 36# the test cases below this directory, barring a few minor changes 37# involving the device to be affected and the 'object' to use to mangle 38# the contents of the mirror. 39# This code is sourced into each of these test cases. 40 41function overwrite_verify_mirror 42{ 43 typeset AFFECTED_DEVICE=$1 44 typeset OVERWRITING_DEVICE=$2 45 46 typeset atfile=0 47 set -A files 48 set -A cksums 49 set -A newcksums 50 51 while (( atfile < FILE_COUNT )); do 52 files[$atfile]=$TESTDIR/file.$atfile 53 log_must file_write -o create -f $TESTDIR/file.$atfile \ 54 -b $FILE_SIZE -c 1 55 cksums[$atfile]=$(cksum ${files[$atfile]}) 56 (( atfile = atfile + 1 )) 57 done 58 59 # dd the primary side of the mirror 60 log_must dd if=$OVERWRITING_DEVICE of=/dev/dsk/$AFFECTED_DEVICE \ 61 seek=8 bs=$DD_BLOCK count=$(( DD_COUNT - 8 )) conv=notrunc 62 63 atfile=0 64 65 # 66 # Flush out the cache so that we ensure we're reading from disk. 67 # 68 log_must zpool export $TESTPOOL 69 log_must zpool import $TESTPOOL 70 71 typeset -i failedcount=0 72 while (( atfile < FILE_COUNT )); do 73 files[$atfile]=$TESTDIR/file.$atfile 74 newcksum=$(cksum ${files[$atfile]}) 75 if [[ $newcksum != ${cksums[$atfile]} ]]; then 76 (( failedcount = failedcount + 1 )) 77 fi 78 rm -f ${files[$atfile]} 79 (( atfile = atfile + 1 )) 80 done 81 82 if (( $failedcount > 0 )); then 83 log_fail "of the $FILE_COUNT files $failedcount did not " \ 84 "have the same checksum before and after." 85 fi 86 87 sync_pool $TESTPOOL 88} 89