1#!/bin/sh 2 3# 4# Copyright (c) 2009 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# Parallel mount / umount and snapshots. zpool hang seen: 30# https://people.freebsd.org/~pho/stress/log/zfs6.txt 31 32[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 33[ `uname -m` = "i386" ] && exit 0 34[ `sysctl -n kern.kstack_pages` -lt 4 ] && exit 0 35 36. ../default.cfg 37 38kldstat -v | grep -q zfs.ko || { kldload zfs.ko || 39 exit 0; loaded=1; } 40 41u1=$mdstart 42u2=$((u1 + 1)) 43u3=$((u2 + 1)) 44 45mdconfig -l | grep -q md$u1 && mdconfig -d -u $u1 46mdconfig -l | grep -q md$u2 && mdconfig -d -u $u2 47mdconfig -l | grep -q md$u3 && mdconfig -d -u $u3 48 49mdconfig -s 512m -u $u1 50mdconfig -s 512m -u $u2 51mdconfig -s 512m -u $u3 52 53zpool list | egrep -q "^stress2_tank" && zpool destroy stress2_tank 54[ -d /stress2_tank ] && rm -rf /stress2_tank 55zpool create stress2_tank raidz md$u1 md$u2 md$u3 || exit 1 56zfs create stress2_tank/test || exit 1 57 58while true; do 59 zfs umount stress2_tank/test 60 zfs mount stress2_tank/test 61done & 62 63for i in `jot 5000`; do 64 touch /stress2_tank/test/f$i 65 zfs snapshot stress2_tank/test@$i 66 if [ $i -gt 5 ]; then 67 zfs destroy stress2_tank/test@$((i - 5)) 68 fi 69done 70kill $! 71wait 72sleep 2 73zfs destroy -r stress2_tank || exit 1 74zpool destroy stress2_tank || exit 1 75 76mdconfig -d -u $u1 77mdconfig -d -u $u2 78mdconfig -d -u $u3 79[ -n "$loaded" ] && kldunload zfs.ko 80exit 0 81