18a272653SPeter Holm#!/bin/sh 28a272653SPeter Holm 38a272653SPeter Holm# 48a272653SPeter Holm# Copyright (c) 2008 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# Stress test by performing parallel calls to mount and umount. Alternate 308a272653SPeter Holm# between forced and non-forced unmounts. 318a272653SPeter Holm 328a272653SPeter Holm# "kernel: g_dev_taste: make_dev_p() failed (gp->name=md10, error=17)" seen. 338a272653SPeter Holm 348a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 358a272653SPeter Holm 368a272653SPeter Holm. ../default.cfg 378a272653SPeter Holm 388a272653SPeter Holmmounts=15 # Number of parallel scripts 398a272653SPeter HolmD=$diskimage 408a272653SPeter Holm 418a272653SPeter Holmfor i in `jot $mounts`; do 428a272653SPeter Holm m=$(( i + mdstart - 1 )) 438a272653SPeter Holm [ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m 448a272653SPeter Holm mount | grep "$mntpoint" | grep -q md$m && 458a272653SPeter Holm umount ${mntpoint}$m 468a272653SPeter Holm mdconfig -l | grep -q md$m && mdconfig -d -u $m 478a272653SPeter Holm 488a272653SPeter Holm dd if=/dev/zero of=$D$m bs=1m count=1 status=none 498a272653SPeter Holm mdconfig -a -t vnode -f $D$m -u $m || { rm -f $D$m; exit 1; } 50*608c97bfSPeter Holm newfs md${m} > /dev/null 518a272653SPeter Holmdone 528a272653SPeter Holm 538a272653SPeter Holm# start the parallel tests 548a272653SPeter Holmfor i in `jot $mounts`; do 558a272653SPeter Holm m=$(( i + mdstart - 1 )) 568a272653SPeter Holm start=`date +%s` 578a272653SPeter Holm while [ $((`date +%s` - start)) -lt 300 ]; do 588a272653SPeter Holm opt=`[ $(( m % 2 )) -eq 0 ] && echo -f` 59*608c97bfSPeter Holm mount /dev/md${m} ${mntpoint}$m 608a272653SPeter Holm while mount | grep -q ${mntpoint}$m; do 618a272653SPeter Holm umount $opt ${mntpoint}$m > /dev/null 2>&1 628a272653SPeter Holm done 638a272653SPeter Holm done & 648a272653SPeter Holmdone 658a272653SPeter Holmwait 668a272653SPeter Holm 678a272653SPeter Holmfor i in `jot $mounts`; do 688a272653SPeter Holm m=$((i + mdstart - 1)) 698a272653SPeter Holm mdconfig -d -u $m 708a272653SPeter Holm rm -f $D$m 718a272653SPeter Holmdone 728a272653SPeter Holmexit 0 73