1bab40683SPeter Holm#!/bin/sh 2bab40683SPeter Holm 3bab40683SPeter Holm# 44d846d26SWarner Losh# SPDX-License-Identifier: BSD-2-Clause 5bab40683SPeter Holm# 6bab40683SPeter Holm# Copyright (c) 2021 Peter Holm 7bab40683SPeter Holm# 8bab40683SPeter Holm# Redistribution and use in source and binary forms, with or without 9bab40683SPeter Holm# modification, are permitted provided that the following conditions 10bab40683SPeter Holm# are met: 11bab40683SPeter Holm# 1. Redistributions of source code must retain the above copyright 12bab40683SPeter Holm# notice, this list of conditions and the following disclaimer. 13bab40683SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 14bab40683SPeter Holm# notice, this list of conditions and the following disclaimer in the 15bab40683SPeter Holm# documentation and/or other materials provided with the distribution. 16bab40683SPeter Holm# 17bab40683SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18bab40683SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19bab40683SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20bab40683SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21bab40683SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22bab40683SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23bab40683SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24bab40683SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25bab40683SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26bab40683SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27bab40683SPeter Holm# SUCH DAMAGE. 28bab40683SPeter Holm# 29bab40683SPeter Holm 30bab40683SPeter Holm# "mkdir: mkdir(d2), level 2. mkdir.c:96: No such file or directory" seen 31bab40683SPeter Holm# with a non debug kernel. 32bab40683SPeter Holm 33bab40683SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 34bab40683SPeter Holm. ../default.cfg 35bab40683SPeter Holm 36bab40683SPeter Holm# unionfs usage example from the man page: 37bab40683SPeter Holm# mount -t cd9660 -o ro /dev/cd0 /usr/src 38bab40683SPeter Holm# mount -t unionfs -o noatime /var/obj /usr/src 39bab40683SPeter Holm 40bab40683SPeter Holmmd1=$mdstart 41bab40683SPeter Holmmd2=$((md1 + 1)) 42bab40683SPeter Holmmp1=/mnt$md1 43bab40683SPeter Holmmp2=/mnt$md2 44bab40683SPeter Holmmkdir -p $mp1 $mp2 45bab40683SPeter Holmset -e 46bab40683SPeter Holmfor i in $mp1 $mp2; do 47bab40683SPeter Holm mount | grep -q "on $i " && umount -f $i 48bab40683SPeter Holmdone 49bab40683SPeter Holmfor i in $md1 $md2; do 50bab40683SPeter Holm mdconfig -l | grep -q md$i && mdconfig -d -u $i 51bab40683SPeter Holmdone 52bab40683SPeter Holm 53bab40683SPeter Holmmdconfig -a -t swap -s 2g -u $md1 54bab40683SPeter Holmmdconfig -a -t swap -s 2g -u $md2 55b274854dSPeter Holm[ "$newfs_flags" = "-U" ] && 56b274854dSPeter Holm newfs_flags="-j" # "out of inodes" work around 57bab40683SPeter Holmnewfs $newfs_flags -n md$md1 > /dev/null 58bab40683SPeter Holmnewfs $newfs_flags -n md$md2 > /dev/null 59bab40683SPeter Holmmount /dev/md$md1 $mp1 60bab40683SPeter Holmmount /dev/md$md2 $mp2 61bab40683SPeter Holm 62bab40683SPeter Holmmount -t unionfs -o noatime $mp1 $mp2 63bab40683SPeter Holmset +e 64bab40683SPeter Holmmount | grep -E "$mp1|$mp2" 65bab40683SPeter Holm 66bab40683SPeter Holmexport RUNDIR=$mp2/stressX 67bab40683SPeter Holmexport runRUNTIME=2m 68bab40683SPeter Holm 69bab40683SPeter Holm(cd ..; ./run.sh marcus.cfg) 70bab40683SPeter Holm 71bab40683SPeter Holm../tools/killall.sh 729e8fbb95SPeter Holmwhile mount | grep -Eq "on $mp2 .*unionfs"; do 739e8fbb95SPeter Holm umount $mp2 && break 749e8fbb95SPeter Holm sleep 5 759e8fbb95SPeter Holmdone 76bab40683SPeter Holmumount $mp2 77bab40683SPeter Holmn=`find $mp1/stressX | wc -l` 78bab40683SPeter Holm[ $n -eq 1 ] && s=0 || { find $mp1/stressX -ls | head -12; s=1; } 79bab40683SPeter Holmumount $mp1 80bab40683SPeter Holmmdconfig -d -u $md2 81bab40683SPeter Holmmdconfig -d -u $md1 82bab40683SPeter Holmexit $s 83