From The Free On-line Dictionary of Computing (19 January 2023): Logical Unit Number LUN <storage> (LUN) A 3-bit identifier used on a SCSI bus to distinguish between up to eight devices (logical units) with the same SCSI ID. (1999-02-11)
Logical Unit Number LUN
<storage> (LUN) A 3-bit identifier used on a SCSI bus to distinguish between up to eight devices (logical units) with the same SCSI ID.
(1999-02-11)