blob: 23cb5e46ea3f56cfd702c26f3fd7198b698b702a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
#!/bin/bash
# Copyright (c) 2016 Red Hat, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Author: LiLin <lilin@redhat.com>
function cleanup()
{
multipath -F
service multipathd stop
sleep 15
modprobe -r scsi_debug
rt=$?
while [ $rt -ne 0 ]
do
sleep 15
modprobe -r scsi_debug
rt=$?
done
}
yum -y install device-mapper device-mapper-multipath
mpathconf --enable
modprobe scsi_debug dev_size_mb=1024 num_tgts=1 vpd_use_hostno=0 add_host=2 delay=20 max_luns=2 no_lun_0=1 opts=2 every_nth=1
sleep 5
service multipathd restart
sleep 10
disk1=`multipath -ll | grep -A 5 scsi_debug | grep -oE "sd." | head -1`
if [ -z "$disk1" ]; then
cleanup
exit 1
fi
IO_error=`dd if=/dev/zero of=/dev/$disk1 bs=1024 count=262144 2>&1 | grep -o "Input/output error" `
if [ -n "$IO_error" ];then
echo "------- PASS, a medium error, correctly generate an I/O error and do not get infinitely retried -----"
cleanup
else
echo "------- FAIL, not generate an I/O error -----"
cleanup
exit -1
fi
|
