When multipath is enabled, and the 3PAR driver is configured
to export a VLUN over N iSCSI IP(ports), we now use the same
LUN ID for each iSCSI IP export. Previously, when we would
export a volume over N iSCSI ports, we would get a new LUN ID
for each iSCSI port.
Master Change id: Ide0ce373a14f348a554688dee9b699feed3c5f26
Change-Id: If40b842e59e384db6eee11e9fa843e4ead6411d4
Closes-Bug: #1551994