#! /bin/bash
#
# openib-mount     @DESCR@
#
# Author:       Tristan Suerink
#
# chkconfig: 2345 98 02
# description:	@DESCR@

# Source function library.
. /etc/init.d/functions

start()
{
/etc/init.d/opensmd stop
/etc/init.d/openibd stop
sleep 5
/etc/init.d/openibd start
sleep 5
# Load Mellanox hardware driver; /etc/init.d/openibd should do this but better safe than sorry.
modprobe ib_mthca
sleep 5
/etc/init.d/opensmd start
sleep 5
echo -n $"Add target:"
/usr/sbin/ibsrpdm -d /dev/infiniband/umad1 -c | sed -e "s/\(service_id\)/max_sect=4096,max_cmd_per_lun=4,\1/" > /sys/class/infiniband_srp/srp-mthca0-2/add_target 2>/dev/null&
sleep 15
devices=`cd /sys/block; /bin/ls -1d * | grep sd | grep -v sda`
if [ "x$devices" == "x" ]; then
   failure
   echo
   /etc/init.d/opensmd stop
   /etc/init.d/openibd stop
   echo "No devices detected"
   exit 1
else
   success
   echo
fi

for device in $devices
do
   /usr/local/sbin/tune-ddn.sh S2A9900 $device
done

fd=`echo $devices | sed 's/sd/\/dev\/sd/g'`

echo -n $"Start software raid:"
mdadm --assemble /dev/md0 $fd >/dev/null 2>&1
if [ "x$?" != "x0" ]; then
   failure
   echo
   /etc/init.d/opensmd stop
   /etc/init.d/openibd stop
   exit 1
else
   success
   echo
fi
sleep 5
echo -n $"Mounting file system:"
mount -a && success #mount -t xfs /dev/md0 /space >/dev/null 2>&1 && success || failure
echo
}

stop()
{
echo -n $"Unounting file system:"
success #umount /space >/dev/null 2>&1 && success || failure
echo
echo -n $"Stop software raid:"
mdadm --stop /dev/md0 >/dev/null 2>&1 && success || failure
echo
/etc/init.d/opensmd stop
/etc/init.d/openibd stop
}

restart ()
{
	stop
	start
}

usage ()
{
	echo
	echo "Usage: `basename $0` {start|stop|restart}"
	echo
	return 2
}

case "$1" in
	start) start;;
	stop) stop;;
	restart) restart;;
	*) usage;;
esac