1#!/bin/sh 2 3# 4# Copyright (c) 2017 Dell EMC Isilon 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. ../default.cfg 30[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 31 32export LANG=C 33disk=/tmp/dumpfs.sh.`date +%Y%m%dT%H%M%S`.img 34dump=${disk%.img}.dump 35good=/tmp/dumpfs.sh.good 36md=bc9011de1e3c33a3baf2bf195708417e # 20190902 37md=b86221bacc4651b0a92032f6989302c4 # 20200710 38md=a6f60b37ffca5fb61fc54ccbd00ecbcb # 20210109 39 40s=0 41 42dd if=/dev/zero of=$disk bs=512 count=20480 status=none 43[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart 44mdconfig -a -f $disk -u $mdstart 45newfs -U /dev/md$mdstart > /dev/null || exit 1 46 47mount /dev/md$mdstart $mntpoint || exit 1 48 49here=`pwd` 50cd $mntpoint 51for i in `jot 10`; do 52 echo $i 53done > file1 54cp file1 file2 55cp file2 file3 56mv file1 filea 57rm file2 58 59cd $here 60umount $mntpoint 61dumpfs /dev/md$mdstart | expand > $dump 62r=`sed 's/time *[A-Z].*//;s/id .*//' < $dump | md5` 63if [ $md != $r ]; then 64 echo "$r != $md" 65 s=1 66 [ -f $good ] && diff $good $dump 67else 68 [ ! -f $good ] && mv $dump $good # save good dump 69fi 70mdconfig -d -u $mdstart 71[ $s -eq 0 ] && rm -f $disk $dump 72rm -f $disk $dump # for now 73exit $s 74