1*8a272653SPeter Holm#!/bin/sh 2*8a272653SPeter Holm 3*8a272653SPeter Holm# 4*8a272653SPeter Holm# Copyright (c) 2008 Peter Holm <pho@FreeBSD.org> 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# Stress test by performing parallel calls to mount and umount. Alternate 30*8a272653SPeter Holm# between forced and non-forced unmounts. 31*8a272653SPeter Holm 32*8a272653SPeter Holm# "kernel: g_dev_taste: make_dev_p() failed (gp->name=md10, error=17)" seen. 33*8a272653SPeter Holm 34*8a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 35*8a272653SPeter Holm 36*8a272653SPeter Holm. ../default.cfg 37*8a272653SPeter Holm 38*8a272653SPeter Holmmounts=15 # Number of parallel scripts 39*8a272653SPeter HolmD=$diskimage 40*8a272653SPeter Holm 41*8a272653SPeter Holmfor i in `jot $mounts`; do 42*8a272653SPeter Holm m=$(( i + mdstart - 1 )) 43*8a272653SPeter Holm [ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m 44*8a272653SPeter Holm mount | grep "$mntpoint" | grep -q md$m && 45*8a272653SPeter Holm umount ${mntpoint}$m 46*8a272653SPeter Holm mdconfig -l | grep -q md$m && mdconfig -d -u $m 47*8a272653SPeter Holm 48*8a272653SPeter Holm dd if=/dev/zero of=$D$m bs=1m count=1 status=none 49*8a272653SPeter Holm mdconfig -a -t vnode -f $D$m -u $m || { rm -f $D$m; exit 1; } 50*8a272653SPeter Holm bsdlabel -w md$m auto 51*8a272653SPeter Holm newfs md${m}$part > /dev/null 52*8a272653SPeter Holmdone 53*8a272653SPeter Holm 54*8a272653SPeter Holm# start the parallel tests 55*8a272653SPeter Holmfor i in `jot $mounts`; do 56*8a272653SPeter Holm m=$(( i + mdstart - 1 )) 57*8a272653SPeter Holm start=`date +%s` 58*8a272653SPeter Holm while [ $((`date +%s` - start)) -lt 300 ]; do 59*8a272653SPeter Holm opt=`[ $(( m % 2 )) -eq 0 ] && echo -f` 60*8a272653SPeter Holm mount /dev/md${m}$part ${mntpoint}$m 61*8a272653SPeter Holm while mount | grep -q ${mntpoint}$m; do 62*8a272653SPeter Holm umount $opt ${mntpoint}$m > /dev/null 2>&1 63*8a272653SPeter Holm done 64*8a272653SPeter Holm done & 65*8a272653SPeter Holmdone 66*8a272653SPeter Holmwait 67*8a272653SPeter Holm 68*8a272653SPeter Holmfor i in `jot $mounts`; do 69*8a272653SPeter Holm m=$((i + mdstart - 1)) 70*8a272653SPeter Holm mdconfig -d -u $m 71*8a272653SPeter Holm rm -f $D$m 72*8a272653SPeter Holmdone 73*8a272653SPeter Holmexit 0 74