xref: /freebsd/tools/test/stress2/misc/md.sh (revision 911f0260390e18cf85f3dbf2c719b593efdc1e3c)
1#!/bin/sh
2
3#
4# Copyright (c) 2008 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# Caused panic: ffs_truncate3
30# The problem is caused by a full FS with Soft-updates disabled.
31
32[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
33
34. ../default.cfg
35
36mount | grep "$mntpoint" | grep md$mdstart > /dev/null && umount $mntpoint
37[ -c /dev/md$mdstart ] &&  mdconfig -d -u $mdstart
38
39mdconfig -a -t swap -s 2m -u $mdstart
40newfs md$mdstart > /dev/null
41mount /dev/md$mdstart $mntpoint
42
43export RUNDIR=$mntpoint/stressX
44export KBLOCKS=30000		# Exaggerate disk capacity
45export INODES=8000
46
47for i in `jot 20`; do
48   (cd ../testcases/rw;./rw -t 2m -i 20 > /dev/null 2>&1)
49done
50
51while mount | grep -q $mntpoint; do
52	umount $([ $((`date '+%s'` % 2)) -eq 0 ] &&
53	    echo "-f" || echo "") $mntpoint > /dev/null 2>&1
54done
55
56mdconfig -d -u $mdstart
57exit 0
58