1*8a272653SPeter Holm#!/bin/sh 2*8a272653SPeter Holm 3*8a272653SPeter Holm# 4*8a272653SPeter Holm# Copyright (c) 2018 Dell EMC Isilon 5*8a272653SPeter Holm# All rights reserved. 6*8a272653SPeter Holm# 7*8a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 8*8a272653SPeter Holm# modification, are permitted provided that the following conditions 9*8a272653SPeter Holm# are met: 10*8a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 11*8a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 12*8a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 13*8a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 14*8a272653SPeter Holm# documentation and/or other materials provided with the distribution. 15*8a272653SPeter Holm# 16*8a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17*8a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*8a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*8a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20*8a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*8a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*8a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*8a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*8a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*8a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*8a272653SPeter Holm# SUCH DAMAGE. 27*8a272653SPeter Holm# 28*8a272653SPeter Holm 29*8a272653SPeter Holm# Experiment with a sparse MD disk. 30*8a272653SPeter Holm 31*8a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 32*8a272653SPeter Holm[ `sysctl -n vm.swap_total` -eq 0 ] && exit 0 33*8a272653SPeter Holm[ `sysctl -n hw.physmem` -lt $(( 4 * 1024 * 1024 * 1024)) ] && exit 0 34*8a272653SPeter Holm 35*8a272653SPeter Holm. ../default.cfg 36*8a272653SPeter Holm 37*8a272653SPeter Holmsize="100g" 38*8a272653SPeter Holmjsize="10g" 39*8a272653SPeter Holmmount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 40*8a272653SPeter Holm[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart 41*8a272653SPeter Holmmdconfig -a -t swap -s $size -u $mdstart || exit 1 42*8a272653SPeter Holm 43*8a272653SPeter Holmgjournal load 44*8a272653SPeter Holmgjournal label -s $jsize md$mdstart 45*8a272653SPeter Holmsleep .5 46*8a272653SPeter Holmnewfs -J /dev/md$mdstart.journal > /dev/null 47*8a272653SPeter Holmmount -o async /dev/md$mdstart.journal $mntpoint 48*8a272653SPeter Holmchmod 777 $mntpoint 49*8a272653SPeter Holm 50*8a272653SPeter Holmexport runRUNTIME=10m 51*8a272653SPeter Holmexport RUNDIR=$mntpoint/stressX 52*8a272653SPeter Holmexport CTRLDIR=$mntpoint/stressX.control 53*8a272653SPeter Holmexport swapINCARNATIONS=5 54*8a272653SPeter Holm 55*8a272653SPeter Holmsu $testuser -c 'cd ..; ./run.sh marcus.cfg' > /dev/null 2>&1 56*8a272653SPeter Holm 57*8a272653SPeter Holmgjournal sync 58*8a272653SPeter Holmwhile mount | grep $mntpoint | grep -q /dev/md; do 59*8a272653SPeter Holm umount $mntpoint || sleep 1 60*8a272653SPeter Holmdone 61*8a272653SPeter Holmcheckfs /dev/md$mdstart.journal && s=0 || s=$? 62*8a272653SPeter Holmgjournal stop md$mdstart 63*8a272653SPeter Holmgjournal unload 64*8a272653SPeter Holmmdconfig -d -u $mdstart 65*8a272653SPeter Holmexit $s 66