
Chapter 3 Media Changer Commands
Persistent Reserve Out Command (5Fh)
Quantum ATL SuperLoader Software Interface Guide 103
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
06h Register and
Ignore
Existing Key
Register a reservation key with the device server.
Existing reservation key is ignored.
07-1Fh Reserved Reserved
Refer to table 47
on page 113 for detailed descriptions of each of the service
action codes.
Scope The value in this field indicates whether a persistent reservation applies to
an entire logical unit or to an element.
The values for the Scope field are:
Code Name Description
0h LU Logical Unit. Persistent reservation applies to the
full logical unit. The LU scope is therefore
implemented by all device servers that
implement PERSISTENT RESERVE OUT.
1h Obsolete
Field Name Description
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