1#!/bin/sh 2 3# 4# Copyright (c) 2018 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# Experiment with a sparse MD disk. 30 31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 32[ `sysctl -n vm.swap_total` -eq 0 ] && exit 0 33[ `sysctl -n hw.physmem` -lt $(( 4 * 1024 * 1024 * 1024)) ] && exit 0 34 35. ../default.cfg 36 37size="100g" 38jsize="10g" 39mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 40[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart 41mdconfig -a -t swap -s $size -u $mdstart || exit 1 42 43gjournal load 44gjournal label -s $jsize md$mdstart 45sleep .5 46newfs -J /dev/md$mdstart.journal > /dev/null 47mount -o async /dev/md$mdstart.journal $mntpoint 48chmod 777 $mntpoint 49 50export runRUNTIME=10m 51export RUNDIR=$mntpoint/stressX 52export CTRLDIR=$mntpoint/stressX.control 53export swapINCARNATIONS=5 54 55su $testuser -c 'cd ..; ./run.sh marcus.cfg' > /dev/null 2>&1 56 57gjournal sync 58while mount | grep $mntpoint | grep -q /dev/md; do 59 umount $mntpoint || sleep 1 60done 61checkfs /dev/md$mdstart.journal && s=0 || s=$? 62gjournal stop md$mdstart 63gjournal unload 64mdconfig -d -u $mdstart 65exit $s 66