Verifying a MUSL Configuration You can use MRU to verify a successful Multi-Unit, Single LUN (MUSL) configuration. Use the SHOW ROBOT command to get information about the configuration: $robot show robot Scsi2:B0T2L2 Robot Name : Scsi2:B0T2L2 Type: SCSI Media Robot Identifier: DEC TL820 (C) DEC2A5A Slots: 176 Drives: 6 Inports: 1 Outports: 1 Transports: 2 MUSL control is available on firmware 2A5A or higher. This information appears on the Media Robot Identifier line of the SHOW ROBOT output. When MUSL is activated, the combined hardware units respond to a single medium changer unit. MRU shows this with a Transport count greater than 1.