110 lines
2.8 KiB
Plaintext
110 lines
2.8 KiB
Plaintext
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#! /bin/sh
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### BEGIN INIT INFO
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# Provides: multipath-tools
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# Required-Start: udev $local_fs $remote_fs $syslog
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# Required-Stop: udev $local_fs $remote_fs $syslog
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# Should-Start: iscsi
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# Should-Stop: iscsi
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: multipath daemon
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# Description:
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### END INIT INFO
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PATH=/sbin:/bin:/usr/sbin/:/usr/bin
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DAEMON=/sbin/multipathd
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NAME=multipathd
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DESC="multipath daemon"
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syspath=/sys/block
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test -x $DAEMON || exit 0
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. /lib/lsb/init-functions
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if [ -f /etc/default/multipath-tools ] ; then
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. /etc/default/multipath-tools
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fi
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teardown_slaves()
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{
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cd $1;
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if [ -d "slaves" ]; then
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for slave in slaves/*;
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do
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if [ "$slave" = "slaves/*" ]; then
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read dev < $1/dev
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tablename=$(dmsetup table --target multipath | sed -n "s/\(.*\): .* $dev .*/\1/p")
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if ! [ -z $tablename ]; then
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log_daemon_msg "Root is on a multipathed device, multipathd can not be stopped"
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DONT_STOP_MPATHD=1
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fi
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else
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local_slave=`readlink -f $slave`;
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teardown_slaves $local_slave;
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fi
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done
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else
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read dev < $1/dev
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tablename=$(dmsetup table --target multipath | sed -n "s/\(.*\): .* $dev .*/\1/p")
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if ! [ -z $tablename ]; then
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log_daemon_msg "Root is on a multipathed device, multipathd can not be stopped"
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DONT_STOP_MPATHD=1
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fi
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fi
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}
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case "$1" in
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start)
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log_daemon_msg "Starting $DESC" "$NAME"
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modprobe -a scsi_dh_alua scsi_dh_emc scsi_dh_rdac dm-multipath 2> /dev/null || true
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start-stop-daemon --oknodo --start --quiet --pidfile /var/run/$NAME.pid --exec $DAEMON -- $DAEMON_OPTS
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log_end_msg $?
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;;
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stop)
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DONT_STOP_MPATHD=0
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root_dev=$(awk '{ if ($1 !~ /^[ \t]*#/ && $1 ~ /\// && $2 == "/") { print $1; }}' /etc/mtab)
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if [ -n "$root_dev" ]; then
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dm_num=$(dmsetup info -c --noheadings -o minor $root_dev 2>/dev/null)
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else
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dm_num=
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fi
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if [ $? -ne 0 -o -z "$dm_num" ]; then
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# Looks like we couldn't find a device mapper root device
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# But we shouldn't bail out here, otherwise the stop target and the
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# upgrade processes will break. See DBUG #674733
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:
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else
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root_dm_device="dm-$dm_num"
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[ -d "$syspath/$root_dm_device" ] && teardown_slaves $syspath/$root_dm_device
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fi
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if [ x$DONT_STOP_MPATHD = x0 ]; then
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log_daemon_msg "Stopping $DESC" "$NAME"
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start-stop-daemon --oknodo --stop --quiet --pidfile /var/run/$NAME.pid --exec $DAEMON
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log_end_msg $?
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fi
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;;
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status)
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status_of_proc -p /var/run/$NAME.pid $DAEMON $NAME && exit 0 || exit $?
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;;
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reload|force-reload)
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log_daemon_msg "Reloading $DESC" "$NAME"
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start-stop-daemon --stop --signal 1 --quiet --pidfile /var/run/$NAME.pid --exec $DAEMON
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log_end_msg $?
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;;
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restart|force-reload)
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$0 stop
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sleep 1
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$0 start
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;;
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*)
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N=/etc/init.d/multipath-tools
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echo "Usage: $N {start|stop|status|restart|reload|force-reload}" >&2
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exit 1
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;;
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esac
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exit 0
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