xref: /freebsd/tools/test/stress2/misc/union.sh (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
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# Simple union test scenario
30
31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
32
33. ../default.cfg
34
35u1=$mdstart
36u2=$((u1 + 1))
37
38mount | grep -q /dev/md${u2} && umount -f /dev/md${u2}
39mount | grep -q /dev/md${u1} && umount -f /dev/md${u1}
40mdconfig -l | grep -q md$u2 && mdconfig -d -u $u2
41mdconfig -l | grep -q md$u1 && mdconfig -d -u $u1
42
43mdconfig -s 256m -u $u1
44newfs md${u1} > /dev/null
45
46mdconfig -s 256m -u $u2
47newfs md${u2} > /dev/null
48
49mount -o ro    /dev/md${u1} $mntpoint
50mount -o union /dev/md${u2} $mntpoint
51
52export RUNDIR=$mntpoint/stressX
53export runRUNTIME=10m
54(cd ..; ./run.sh marcus.cfg) > /dev/null
55
56umount /dev/md${u2}
57umount /dev/md${u1}
58
59mount | grep -q /dev/md${u2} && umount -f /dev/md${u2}
60mount | grep -q /dev/md${u1} && umount -f /dev/md${u1}
61
62mdconfig -d -u $u2
63mdconfig -d -u $u1
64