1#!/bin/sh 2 3# 4# Copyright (c) 2017 Dell EMC Isilon 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Mirror test where the third disk is partially wiped: 30# Silent Data Corruption. 31# fsck() will trash your FS in this scenario. 32 33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 34 35. ../default.cfg 36 37gmirror load > /dev/null 2>&1 && unload=1 38mount | grep -q "on $mntpoint " && umount $mntpoint 39[ -c /dev/mirror/test ] && { gmirror stop test; gmirror destroy test; } 40old=`sysctl -n kern.geom.mirror.debug` 41sysctl kern.geom.mirror.debug=-1 | grep -q -- -1 || 42 sysctl kern.geom.mirror.debug=$old > /dev/null 43 44u1=$mdstart 45u2=$((mdstart + 1)) 46u3=$((mdstart + 2)) 47 48for u in $u1 $u2 $u3; do 49 [ -c /dev/md$u ] && mdconfig -d -u $u 50 dd if=/dev/zero of=$diskimage.$u bs=1m count=100 status=none 51 mdconfig -a -t vnode -f $diskimage.$u -u $u 52done > /dev/null 53 54gmirror label test md$u1 md$u2 md$u3 || exit 1 55[ "`sysctl -in kern.geom.mirror.launch_mirror_before_timeout`" = "0" ] && 56 sleep 5 57( 58gpart create -s BSD mirror/test 59gpart add -t freebsd-ufs -s 99m mirror/test 60) > /dev/null 61[ -c /dev/mirror/testa ] || exit 1 62 63newfs -n /dev/mirror/testa > /dev/null 64mount /dev/mirror/testa $mntpoint 65jot 10 | xargs -P0 -I% cp /etc/passwd $mntpoint/% 66 67# The test: zap part of the third disk 68dd if=/dev/random of=$diskimage.$u3 bs=1m count=80 conv=notrunc status=none 69umount $mntpoint 70log=/tmp/graid1_8.sh.log 71 72if [ $# -eq 1 ]; then # This will fix the mirror 73 gmirror remove test md$u3 74 gmirror insert test md$u3 75 while gmirror status test | grep -q SYNCHRONIZING; do 76 sleep 2 77 done 78fi 79 80fsck -fy /dev/mirror/testa > $log 2>&1 81grep -q RERUN $log && fsck -fy /dev/mirror/testa > /dev/null 2>&1 82grep -Eq "MODIFIED|BAD" $log && 83 { s=1; head -5 $log; } || 84 s=0 85rm $log 86mount /dev/mirror/testa $mntpoint 87[ `ls $mntpoint | wc -l` -lt 10 ] && ls -l $mntpoint 88umount $mntpoint 89 90while gmirror status test | grep -q SYNCHRONIZING; do sleep 10; done 91for i in `jot 10`; do 92 gmirror stop test && break || sleep 30 93done 94[ $i -eq 10 ] && s=1 95gmirror destroy test 2>/dev/null 96[ $unload ] && gmirror unload 97 98for u in $u1 $u2 $u3; do 99 mdconfig -d -u $u || s=3 100 rm $diskimage.$u 101done 102exit $s 103