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 by Delphix. All rights reserved.
29#
30. $STF_SUITE/tests/functional/scrub_mirror/default.cfg
31
32function overwrite_verify_mirror
33{
34	typeset POOL=$1
35	typeset AFFECTED_DEVICE=$2
36	typeset OVERWRITING_DEVICE=$3
37
38	typeset atfile=0
39	set -A files
40	set -A cksums
41	set -A newcksums
42
43	while (( atfile < FILE_COUNT )); do
44		files[$atfile]=$TESTDIR/file.$atfile
45		log_must $FILE_WRITE -o create -f $TESTDIR/file.$atfile \
46			-b $FILE_SIZE -c 1
47		cksums[$atfile]=$($CKSUM ${files[$atfile]})
48		(( atfile = atfile + 1 ))
49	done
50
51	# dd the affected side of the mirror
52	log_must $DD if=$OVERWRITING_DEVICE of=/dev/dsk/$AFFECTED_DEVICE \
53		seek=8 bs=$DD_BLOCK count=$(( DD_COUNT - 8 )) conv=notrunc
54
55	log_must $ZPOOL scrub $POOL
56
57	while is_pool_scrubbing $POOL; do
58		$SLEEP 2
59	done
60
61	atfile=0
62
63	typeset -i failedcount=0
64	while (( atfile < FILE_COUNT )); do
65		files[$atfile]=$TESTDIR/file.$atfile
66		newcksum=$($CKSUM ${files[$atfile]})
67		if [[ $newcksum != ${cksums[$atfile]} ]]; then
68			(( failedcount = failedcount + 1 ))
69		fi
70		$RM -f ${files[$atfile]}
71		(( atfile = atfile + 1 ))
72	done
73
74	if (( $failedcount > 0 )); then
75		log_fail "of the $FILE_COUNT files $failedcount did not " \
76		    "have the same checksum before and after."
77	fi
78}
79