Optical Drive and Library SCSI-2 Command Reference

Jukebox SCSI-2 Command Set
Release Command (17H)
Chapter 33-20
Release Command (17H)
This command releases the library or element for use by another
initiator.
3rdPty When set to 1, the element or unit is released from a
previous reserve which had been made using a third
party reservation.
Element When set to 1, any reservation from the requesting
initiator with a matching reservation identification is
terminated. All other reservations remain intact.
When this bit is set to 0, the target terminates all
element and unit reservations.
Reservation
Identification Identifies each element reservation code word byte.
Table 3-19 Reserve Command CDB
Byte 7 6 5 4 3 2 1 0
0 Operation Code (17H)
1 Logical Unit Number
(0)
3rdPty Third Party Device
ID
Element
2 Reservation Identification
3 Reserved (0)
4 Reserved (0)
5 Control Byte (0)