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 
  32 function 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 }