1. SCSI Inquiry identifiers - naa.number
; t10.number; eui.number - unique and persistent.
2. Path-based identifier - mpx.path - not unique and not persistent.
3. Legacy identifier - vml.number - unique and may be used by non-local devices as sole identifier.
Runtime name - vmhbaAdapter:CChannel:TTarget:LLUN - represents the name of the first path to the device. It is not a reliable identifier for the device,and is not persistent.