xref: /freebsd/tools/test/stress2/misc/snap9.sh (revision 608c97bff921c8936eb71f4b1a177625cfa60250)
18a272653SPeter Holm#!/bin/sh
28a272653SPeter Holm
38a272653SPeter Holm#
48a272653SPeter Holm# Copyright (c) 2013 Peter Holm <pho@FreeBSD.org>
58a272653SPeter Holm# All rights reserved.
68a272653SPeter Holm#
78a272653SPeter Holm# Redistribution and use in source and binary forms, with or without
88a272653SPeter Holm# modification, are permitted provided that the following conditions
98a272653SPeter Holm# are met:
108a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright
118a272653SPeter Holm#    notice, this list of conditions and the following disclaimer.
128a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright
138a272653SPeter Holm#    notice, this list of conditions and the following disclaimer in the
148a272653SPeter Holm#    documentation and/or other materials provided with the distribution.
158a272653SPeter Holm#
168a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
178a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
188a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
198a272653SPeter Holm# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
208a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
218a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
228a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
238a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
248a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
258a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
268a272653SPeter Holm# SUCH DAMAGE.
278a272653SPeter Holm#
288a272653SPeter Holm
298a272653SPeter Holm# Disk full with one snapshot scenario
308a272653SPeter Holm# "panic: softdep_deallocate_dependencies: unrecovered I/O error" seen.
318a272653SPeter Holm
328a272653SPeter Holm# kern/162362: ufs with snapshot(s) panics when getting full
338a272653SPeter Holm
348a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
358a272653SPeter Holm
368a272653SPeter Holm. ../default.cfg
378a272653SPeter Holm
388a272653SPeter Holmmount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
398a272653SPeter Holmmdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
408a272653SPeter Holm
418a272653SPeter Holmmdconfig -a -t swap -s 2g -u $mdstart || exit 1
42*608c97bfSPeter Holmnewfs $newfs_flags md$mdstart > /dev/null
43*608c97bfSPeter Holmmount /dev/md$mdstart $mntpoint
448a272653SPeter Holm
458a272653SPeter Holmdd if=/dev/zero of=$mntpoint/big1 bs=1m count=512 status=none
468a272653SPeter Holmdd if=/dev/zero of=$mntpoint/big2 bs=1m count=512 status=none
478a272653SPeter Holmdd if=/dev/zero of=$mntpoint/big3 bs=1m count=512 status=none
488a272653SPeter Holm
498a272653SPeter Holmmksnap_ffs  $mntpoint  $mntpoint/.snap/snap
508a272653SPeter Holm
518a272653SPeter Holmfor i in `jot 10`; do
528a272653SPeter Holm	dd if=/dev/zero of=$mntpoint/big.$i bs=1m count=512 status=none ||
538a272653SPeter Holm	    break
548a272653SPeter Holmdone
558a272653SPeter Holmrm $mntpoint/big.*
568a272653SPeter Holmrm -f $mntpoint/.snap/snap
578a272653SPeter Holm
588a272653SPeter Holmwhile mount | grep "$mntpoint" | grep -q md$mdstart; do
598a272653SPeter Holm	umount $mntpoint || sleep 1
608a272653SPeter Holmdone
618a272653SPeter Holmmdconfig -d -u $mdstart
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