1# vim: filetype=sh 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 "@(#)clean_mirror_common.kshlib 1.4 07/10/09 SMI" 30# 31 32# Most of the code related to the clearing of mirrors is duplicated in all 33# the test cases below this directory, barring a few minor changes 34# involving the device to be affected and the 'object' to use to mangle 35# the contents of the mirror. 36# This code is sourced into each of these test cases. 37 38function overwrite_verify_mirror 39{ 40 typeset AFFECTED_DEVICE=$1 41 typeset OVERWRITING_DEVICE=$2 42 43 typeset atfile=0 44 set -A cksums 45 set -A newcksums 46 47 populate_dir $TESTDIR/file $FILE_COUNT $WRITE_COUNT $BLOCKSZ 0 48 while (( atfile < FILE_COUNT )); do 49 cksums[$atfile]=$($CKSUM ${TESTDIR}/file.${atfile}) 50 (( atfile = atfile + 1 )) 51 done 52 53 # unmount and export before dd 54 log_must $UMOUNT $TESTDIR 55 log_must $ZPOOL export $TESTPOOL 56 57 # dd the primary side of the mirror 58 log_must $DD if=$OVERWRITING_DEVICE of=$(bsddevmap $AFFECTED_DEVICE) \ 59 seek=8 bs=$DD_BLOCK count=$(( DD_COUNT - 8 )) conv=notrunc 60 61 # now remount 62 log_must $ZPOOL import $TESTPOOL 63 64 atfile=0 65 typeset -i failedcount=0 66 while (( atfile < FILE_COUNT )); do 67 newcksum=$($CKSUM $TESTDIR/file.${atfile}) 68 if [[ $newcksum != ${cksums[$atfile]} ]]; then 69 (( failedcount = failedcount + 1 )) 70 fi 71 $RM -f ${files[$atfile]} 72 (( atfile = atfile + 1 )) 73 done 74 75 if (( $failedcount > 0 )); then 76 log_fail "of the $FILE_COUNT files $failedcount did not " \ 77 "have the same checksum before and after." 78 fi 79} 80