#!/bin/sh
#
# /etc/rc.d/rc.iscsi
#
# Start/stop/restart the iscsi initiator
#

MP="/mnt/iscsi"	# マウントポイント
TIP="192.168.0.100"	# ターゲットのホストIP
TNAME="target0"	# ターゲットのボリューム名
ISD=`ps ax|grep iscsid|grep -v grep|wc -l`
echo $ISD

get_target (){
  TGT=`/sbin/iscsiadm -m discovery -t sendtargets \
 -p $TIP|grep $TNAME|gawk '{print $2}'`
}

if [ $ISD != 0 ] ; then
 get_target
fi

echo $TGT

iscsi_start() {
 modprobe iscsi-tcp
 if [ $ISD == 0 ] ; then
  echo "Staring iscsi"
  /sbin/iscsid&
#  sleep 1
 fi
 get_target
 if [ "$TGT" != "" ] ; then
  iscsiadm -m node -T $TGT -l
  sleep 1
  echo "mount $MP"
  mount $MP
 fi
}

iscsi_stop() {
  echo "Stopping iscsi"
  ISM=`mount|grep $MP|wc -l`
  if [ $ISM != "0" ] ; then
   umount $MP
   iscsiadm -m node -T $TGT -u
  fi
  sleep 1
  if [ "`ls /sys/class/iscsi_host|wc -l`" != "0" ] ; then
   echo "still alive iscsi. cant kill iscsid."
  else
   echo "kill iscsid"
   killall iscsid
  fi
}

iscsi_restart() {
  iscsi_stop
  sleep 2
  iscsi_start
}

case "$1" in
'start')
  iscsi_start
  ;;
'stop')
  iscsi_stop
  ;;
'restart')
  iscsi_restart
  ;;
*)
  # Default is "start", for backwards compatibility with previous
  # Slackware versions.  This may change to a 'usage' error someday.
  iscsi_start
esac