HP Surestore 80fx Optical Drive and Library SCSI-2 Command Reference - Page 207

Jukebox SCSI-2 Command Set Release Command (17H) Table 3-19 Release Command (17H) This command releases the library or element for use by another initiator. Reserve Command CDB Byte 7 6 5 4 3 2 1 0 Operation Code (17H) 1 Logical Unit Number 3rdPty Third Party Device (0) ID 2 Reservation Identification 3 Reserved (0) 4 Reserved (0) 5 Control Byte (0) 0 Element 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. 3-20 Chapter 3