Quantum 10K II - Manual (Page 191)

SCSI Description
5–124 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives
PERSISTENT RESERVATION OUT Command (5Fh) (continued)
Table 5–58 PERSISTENT RESERVATION OUT Command — Field Descriptions
Data Field Description
Service Action Service actions that require information about persistent reservation and
registrations may require enabling of nonvolatile memory within the logical
unit.
Service action codes available are:
Code
Name Description
00h Register Register a reservation key with the device
server
01h Reserve Create a persistent reservation using a
reservation key
02h Release Release a persistent reservation
03h Clear Clear all reservation keys and all persistent
reservations
04h Pre-empt Pre-empt persistent reservations from another
initiator
05h Pre-empt & Clear Pre-empt persistent reservations from another
initiator and clear the task set for the pre-
empted initiator
06 – 1Fh Reserved Reserved
Refer to Table 5-59 for detailed descriptions of each of the service action
codes.
(continued)