Dell PowerVault TL2000 - Manual (Page 95)

RESERVE 6 (16h)
The RESERVE command allows the initiator to reserve the library. After reserving the library, only the
INQUIRY, LOG SENSE, RELEASE, REQUEST SENSE, REPORT LUNS, READ ELEMENT STATUS with
CurData set and ALLOW MEDIUM REMOVAL commands are accepted from other initiators. All other
commands result in a Reservation Conflict status.
Bit 7 6 5 4 3 2 1 0
Byte
0 Operation Code (16h)
1 LUN Obsolete
2 Obsolete
3 Obsolete
4
5 Control
Field descriptions:
Chapter 3. Supported SCSI Commands 3-81