1#!/bin/sh 2 3# 4# Copyright (c) 2008-2011 Peter Holm <pho@FreeBSD.org> 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# unionfs test using two memory disks 30 31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 32. ../default.cfg 33 34# unionfs usage example from the man page: 35# mount -t cd9660 -o ro /dev/cd0 /usr/src 36# mount -t unionfs -o noatime /var/obj /usr/src 37 38md1=$mdstart 39md2=$((md1 + 1)) 40mp1=/mnt$md1 41mp2=/mnt$md2 42mkdir -p $mp1 $mp2 43set -e 44for i in $mp1 $mp2; do 45 mount | grep -q "on $i " && umount -f $i 46done 47for i in $md1 $md2; do 48 mdconfig -l | grep -q md$i && mdconfig -d -u $i 49done 50 51mdconfig -a -t swap -s 2g -u $md1 52mdconfig -a -t swap -s 2g -u $md2 53newfs $newfs_flags -n md$md1 > /dev/null 54newfs $newfs_flags -n md$md2 > /dev/null 55mount /dev/md$md1 $mp1 56mount /dev/md$md2 $mp2 57 58mount -t unionfs -o noatime $mp1 $mp2 59mount | grep -E "$mp1|$mp2" 60set +e 61 62export RUNDIR=$mp2/stressX 63export CTRLDIR=$mp2/stressX.control 64export runRUNTIME=2m 65 66# SU work around for "disk full" 67set `df -ik $mp2 | tail -1 | awk '{print $4,$7}'` 68export KBLOCKS=$(($1 / 2)) 69export INODES=$(($2 / 2)) 70 71(cd ..; ./run.sh disk.cfg) 72 73find $RUNDIR -ls 74for i in `jot 5`; do 75 mount | grep -q unionfs || break 76 umount $mp2 || sleep 2 # The unionfs mount 77done 78mount | grep unionfs && exit 1 79 80for i in `jot 5`; do 81 umount $mp2 && break 82 sleep 2 83done 84mount | grep -q "on $mp2 " && exit 1 85n=`find $mp1/stressX | wc -l` 86[ $n -eq 1 ] && s=0 || s=1 87umount $mp1 88mdconfig -d -u $md2 89mdconfig -d -u $md1 90exit $s 91