98 lines
3.1 KiB
Bash
Executable File
98 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2016 Red Hat, Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Author: Lin Li <lilin@redhat.com>
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source ../include/ec.sh || exit 200
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tlog "running $0"
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cleanup ()
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{
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trun "multipathd disablequeueing maps"
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trun "service multipathd stop"
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sleep 5
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trun "udevadm settle"
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trun "multipath -F"
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sleep 5
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trun "modprobe -r scsi_debug"
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}
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assert ()
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{
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local cmd="$*"
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_trun_ "$cmd" 0
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if test $? -eq 0; then
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tpass_ "$cmd" ;
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else
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tfail_ "$cmd" ;
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cleanup ;
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tend ;
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fi
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}
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rpm -q device-mapper-multipath || yum install -y device-mapper-multipath
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tlog "device-mapper-multipath is installed"
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# cleanup existing devices
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trun "rm /etc/multipath.conf"
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trun "mpathconf --enable --with_module y"
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sed -i '/^defaults[[:space:]]*{/ a\
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max_polling_interval 10
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' /etc/multipath.conf
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trun "service multipathd stop"
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trun "multipath -F"
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sleep 5
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trun "modprobe -r scsi_debug"
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#trun "service multipathd restart"
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trun "service multipathd start"
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trun "modprobe scsi_debug vpd_use_hostno=0 add_host=2"
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sleep 5
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mpathdev=`multipath -l | grep scsi_debug | awk '{print $1}' | head -1`
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tlog "using multipathd device ${mpathdev}"
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trun "multipath -ll ${mpathdev}"
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pathcount=`multipathd show paths raw format "%m %t" | grep ${mpathdev} | grep "active" | wc -l`
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tlog "Checking if active path count equals 2"
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assert "[[ $pathcount -eq 2 ]]"
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tlog "offline one path device"
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pathname=`multipathd show paths raw format "%d %m %p" | grep ${mpathdev} | sort -k 3n | head -1 | awk '{print $1}'`
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tlog "path to offline: ${pathname}"
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trun "echo 'offline' > /sys/block/${pathname}/device/state"
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tlog "waiting for multipathd to fail path"
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sleep 15
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trun "multipathd show paths"
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pathcount=`multipathd show paths raw format "%m %t" | grep ${mpathdev} | grep "active" | wc -l`
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tlog "Checking if active path count equals 1"
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assert "[[ $pathcount -eq 1 ]]"
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tlog "restore ${pathname}"
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trun "echo 'running' > /sys/block/${pathname}/device/state"
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sleep 10
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#verified
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multipathd_state=`service multipathd status | grep "Active: active (running)" | wc -l`
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tlog "Checking if multipathd service is running"
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assert "[[ $multipathd_state -eq 1 ]]"
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pathcount=`multipathd show paths raw format "%m %t" | grep ${mpathdev} | grep "active" | wc -l`
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tlog "Checking if active path count equals 2"
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assert "[[ $pathcount -eq 2 ]]"
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path_state=`multipathd show paths raw format "%d %t %T %o" | grep ${pathname} | grep "active ready running" | wc -l`
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tlog "Checking state of ${pathname}"
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assert "[[ $path_state -eq 1 ]]"
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cleanup
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tend
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