Unify and simplify iSCSI administration

initializeVolume

@@ -15,8 +15,8 @@ iscsiadm -m node -T ${IQN} -p ${HOST} -l
 
 sleep 0.5
 
-DEVICEPATH=$(ls /dev/disk/by-path | grep "${IQN}" | head -n 1)
-DEVICE=$(readlink -nf /dev/disk/by-path/${DEVICEPATH})
+SESSIONID=$(iscsiadm -m session | grep "${IQN}" | head -n 1 | sed -e 's/.*\[\(.*\)\].*/\1/g')
+DEVICE=$(iscsiadm -m session -r ${SESSIONID} -P 3 | grep "Attached scsi disk" | sed -e 's/.*Attached scsi disk \([^\t]*\).*/\/dev\/\1/g')
 
 FILESYSTEM=$(blkid ${DEVICE})
 if [ -z "${FILESYSTEM}" ]; then