81 lines
2.6 KiB
Bash
Executable File
81 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2009 Peter Holm <pho@FreeBSD.org>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# Parallel mount / umount and snapshots. zpool hang seen:
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# https://people.freebsd.org/~pho/stress/log/zfs6.txt
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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[ `uname -m` = "i386" ] && exit 0
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[ `sysctl -n kern.kstack_pages` -lt 4 ] && exit 0
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. ../default.cfg
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kldstat -v | grep -q zfs.ko || { kldload zfs.ko ||
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exit 0; loaded=1; }
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u1=$mdstart
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u2=$((u1 + 1))
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u3=$((u2 + 1))
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mdconfig -l | grep -q md$u1 && mdconfig -d -u $u1
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mdconfig -l | grep -q md$u2 && mdconfig -d -u $u2
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mdconfig -l | grep -q md$u3 && mdconfig -d -u $u3
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mdconfig -s 512m -u $u1
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mdconfig -s 512m -u $u2
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mdconfig -s 512m -u $u3
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zpool list | egrep -q "^stress2_tank" && zpool destroy stress2_tank
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[ -d /stress2_tank ] && rm -rf /stress2_tank
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zpool create stress2_tank raidz md$u1 md$u2 md$u3 || exit 1
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zfs create stress2_tank/test || exit 1
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while true; do
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zfs umount stress2_tank/test
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zfs mount stress2_tank/test
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done &
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for i in `jot 5000`; do
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touch /stress2_tank/test/f$i
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zfs snapshot stress2_tank/test@$i
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if [ $i -gt 5 ]; then
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zfs destroy stress2_tank/test@$((i - 5))
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fi
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done
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kill $!
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wait
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sleep 2
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zfs destroy -r stress2_tank || exit 1
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zpool destroy stress2_tank || exit 1
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mdconfig -d -u $u1
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mdconfig -d -u $u2
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mdconfig -d -u $u3
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[ -n "$loaded" ] && kldunload zfs.ko
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exit 0
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