FUJITA Tomonori schrieb:
(...)
As I wrote, having scripts/init.d/tgt.example is fine by me as long as
the example is good.
Anyone has comments on this script?
One comment from me is that with the latest git tree, we can remove
'sleep' trick in the start section.
As I see, "sleep" can be removed from restart sections too.
Signed-off-by: Tomasz Chmielewski <mangoo@xxxxxxxx>
#!/bin/sh
# This is an example init.d script for stopping/starting/reconfiguring tgtd.
TGTD_CONFIG=/etc/tgt/targets.conf
TASK=$1
start()
{
echo "Starting target framework daemon"
# Start tgtd first.
tgtd &>/dev/null
RETVAL=$?
if [ "$RETVAL" -ne 0 ] ; then
echo "Could not start tgtd (is tgtd already running?)"
exit 1
fi
# Put tgtd into "offline" state until all the targets are configured.
# We don't want initiators to (re)connect and fail the connection
# if it's not ready.
tgtadm --op update --mode sys --name State -v offline
# Configure the targets.
tgt-admin -e -c $TGTD_CONFIG
# Put tgtd into "ready" state.
tgtadm --op update --mode sys --name State -v ready
}
stop()
{
if [ "$RUNLEVEL" == 0 -o "$RUNLEVEL" == 6 ] ; then
forcedstop
fi
echo "Stopping target framework daemon"
# Remove all targets. It only removes targets which are not in use.
tgt-admin --update ALL -c /dev/null &>/dev/null
# tgtd will exit if all targets were removed
tgtadm --op delete --mode system &>/dev/null
RETVAL=$?
if [ "$RETVAL" -eq 107 ] ; then
echo "tgtd is not running"
[ "$TASK" != "restart" ] && exit 1
elif [ "$RETVAL" -ne 0 ] ; then
echo "Some initiators are still connected - could not stop tgtd"
exit 2
fi
echo -n
}
forcedstop()
{
# NOTE: Forced shutdown of the iscsi target may cause data corruption
# for initiators that are connected.
echo "Force-stopping target framework daemon"
# Offline everything first. May be needed if we're rebooting, but
# expect the initiators to reconnect cleanly when we boot again
# (i.e. we don't want them to reconnect to a tgtd which is still
# working, but the target is gone).
tgtadm --op update --mode sys --name State -v offline &>/dev/null
RETVAL=$?
if [ "$RETVAL" -eq 107 ] ; then
echo "tgtd is not running"
[ "$TASK" != "restart" ] && exit 1
else
tgt-admin --offline ALL
# Remove all targets, even if they are still in use.
tgt-admin --update ALL -c /dev/null -f
# It will shut down tgtd only after all targets were removed.
tgtadm --op delete --mode system
RETVAL=$?
if [ "$RETVAL" -ne 0 ] ; then
echo "Failed to shutdown tgtd"
exit 1
fi
fi
echo -n
}
reload()
{
echo "Updating target framework daemon configuration"
# Update configuration for targets. Only targets which
# are not in use will be updated.
tgt-admin --update ALL -c $TGTD_CONFIG &>/dev/null
RETVAL=$?
if [ "$RETVAL" -eq 107 ] ; then
echo "tgtd is not running"
exit 1
fi
}
forcedreload()
{
echo "Force-updating target framework daemon configuration"
# Update configuration for targets, even those in use.
tgt-admin --update ALL -f -c $TGTD_CONFIG &>/dev/null
RETVAL=$?
if [ "$RETVAL" -eq 107 ] ; then
echo "tgtd is not running"
exit 1
fi
}
status()
{
# Don't name this script "tgtd"...
TGTD_PROC=$(ps -C tgtd | grep -c tgtd)
if [ "$TGTD_PROC" -eq 2 ] ; then
echo "tgtd is running. Run 'tgt-admin -s' to see detailed target info."
else
echo "tgtd is NOT running."
fi
}
case $1 in
start)
start
;;
stop)
stop
;;
forcedstop)
forcedstop
;;
restart)
TASK=restart
stop && start
;;
forcedrestart)
TASK=restart
forcedstop && start
;;
reload)
reload
;;
forcedreload)
forcedreload
;;
status)
status
;;
*)
echo "Usage: $0 {start|stop|forcedstop|restart|forcedrestart|reload|forcedreload|status}"
exit 2
;;
esac
--
Tomasz Chmielewski
http://wpkg.org
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