3 # Copyright (c) 2011 Pawel Jakub Dawidek <pawel@dawidek.net>
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
15 # THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 echo "usage: zfsboottest.sh <pool>" >&2
36 zfsboottest="zfsboottest"
38 if [ ! -x "/usr/src/tools/tools/zfsboottest/zfsboottest" ]; then
39 echo "Unable to find \"zfsboottest\" utility." >&2
42 zfsboottest="/usr/src/tools/tools/zfsboottest/zfsboottest"
48 zpool list "${pool}" >/dev/null 2>&1
50 echo "No such pool \"${pool}\"." >&2
53 bootfs=`zpool get bootfs "${pool}" | tail -1 | awk '{print $3}'`
54 if [ "${bootfs}" = "-" ]; then
57 mountpoint=`df -t zfs "${bootfs}" 2>/dev/null | tail -1 | awk '{print $6}'`
58 if [ -z "${mountpoint}" ]; then
59 echo "The \"${bootfs}\" dataset is not mounted." >&2
62 if [ ! -d "${mountpoint}${startdir}" ]; then
63 echo "The \"${mountpoint}${startdir}\" directory doesn't exist." >&2
67 for vdev in `zpool status "${pool}" | grep ONLINE | awk '{print $1}'`; do
68 vdev="/dev/${vdev#/dev/}"
69 if [ -c "${vdev}" ]; then
70 if [ -z "${vdevs}" ]; then
73 vdevs="${vdevs} ${vdev}"
78 list0=`mktemp /tmp/zfsboottest.XXXXXXXXXX`
80 echo "Unable to create temporary file." >&2
83 list1=`mktemp /tmp/zfsboottest.XXXXXXXXXX`
85 echo "Unable to create temporary file." >&2
90 echo "zfsboottest.sh is reading all the files in ${mountpoint}${startdir} using"
91 echo "boot code and using file system code."
92 echo "It calculates MD5 checksums for all the files and will compare them."
93 echo "If all files can be properly read using boot code, it is very likely you"
94 echo "will be able to boot from \"${pool}\" pool>:> Good luck!"
97 "${zfsboottest}" ${vdevs} - `find "${mountpoint}${startdir}" -type f | sed "s@^${mountpoint}@@"` | egrep '^[0-9a-z]{32} /' | sort -k 2 >"${list0}"
98 find "${mountpoint}${startdir}" -type f | xargs md5 -r | sed "s@ ${mountpoint}@ @" | egrep '^[0-9a-z]{32} /' | sort -k 2 >"${list1}"
100 diff -u "${list0}" "${list1}"
103 rm -f "${list0}" "${list1}"
105 if [ $? -ne 0 ]; then
107 echo "You may not be able to boot." >&2