#!/bin/sh # # chkconfig: - 11 89 # ### BEGIN INIT INFO # Provides: tgtd # Required-Start: $network # Short-Description: Starts and stops the generic storage target daemon # Description: tgtd provides the SCSI and software transport target state # machine daemon. ### END INIT INFO # # # Source function library. . /etc/init.d/functions PATH=/sbin:/bin:/usr/sbin:/usr/bin TGTD_CONFIG=/etc/tgt/targets.conf prog="SCSI target daemon" exec=tgtd lockfile=/var/lock/subsys/$exec # Check for and source configuration file otherwise use defaults above [ -f /etc/sysconfig/$exec ] && . /etc/sysconfig/$exec start() { [ -x /usr/sbin/$exec ] || exit 5 echo -n $"Starting $prog: " # Note /dev/null redirection to silence rdma not found messages daemon $exec >/dev/null 2>&1 retval=$? if [ $retval -ne 0 ] ; then failure echo return $retval fi success echo touch $lockfile # 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 $TGTD_CONFIG # Put tgtd into "ready" state. tgtadm --op update --mode sys --name State -v ready return 0 } stop() { if [ "$RUNLEVEL" == 0 -o "$RUNLEVEL" == 6 ] ; then force_stop return $? fi echo -n $"Stopping $prog: " # Remove all targets. It only removes targets which are not in use. tgt-admin --update ALL -c /dev/null >/dev/null 2>&1 # tgtd will exit if all targets were removed tgtadm --op delete --mode system >/dev/null 2>&1 retval=$? if [ "$retval" -eq 107 ] ; then echo -n $"not running" failure echo return 7 elif [ "$retval" -ne 0 ] ; then echo -n $"initiators still connected" failure echo return 1 fi success echo rm -f $lockfile return 0 } force_stop() { # NOTE: Forced shutdown of the iscsi target may cause data corruption # for initiators that are connected. echo -n $"Force-stopping $prog: " # Offline everything first. May be needed if we're rebooting, but # expect the initiators to reconnect cleanly when we boot again # (i.e. we don't want them to reconnect to a tgtd which is still # working, but the target is gone). tgtadm --op update --mode sys --name State -v offline >/dev/null 2>&1 retval=$? if [ "$retval" -eq 107 ] ; then echo -n $"not running" failure echo return 7 else tgt-admin --offline ALL # Remove all targets, even if they are still in use. tgt-admin --update ALL -c /dev/null -f # It will shut down tgtd only after all targets were removed. tgtadm --op delete --mode system retval=$? if [ "$retval" -ne 0 ] ; then failure echo return 1 fi fi success echo rm -f $lockfile return 0 } reload() { echo -n $"Updating $prog configuration: " # Update configuration for targets. Only targets which # are not in use will be updated. tgt-admin --update ALL -c $TGTD_CONFIG >/dev/null 2>&1 retval=$? if [ "$retval" -eq 107 ] ; then echo -n $"not running" failure echo return 7 elif [ "$retval" -ne 0 ] ; then failure echo return 1 fi success echo return 0 } force_reload() { echo -n $"Force-updating $prog configuration: " # Update configuration for targets, even those in use. tgt-admin --update ALL -f -c $TGTD_CONFIG >/dev/null 2>&1 retval=$? if [ "$retval" -eq 107 ] ; then echo -n $"not running" failure echo return 7 elif [ "$retval" -ne 0 ] ; then failure echo return 1 fi success echo return 0 } rh_status() { # run checks to determine if the service is running or use generic status status $exec } rh_status_q() { rh_status >/dev/null 2>&1 } case "$1" in start) rh_status_q && exit 0 $1 ;; stop) rh_status_q || exit 0 $1 ;; force-stop) force_stop ;; restart) stop start ;; force-restart) force_stop start ;; reload) rh_status_q || exit 7 $1 ;; force-reload) force_reload ;; status) rh_status ;; condrestart|try-restart) rh_status_q || exit 0 restart ;; *) echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-stop|force-restart|force-reload}" exit 2 esac exit $?