User's Guide
Table Of Contents
- Preface
- Theory of Operation
- Media Changer Commands
- Overview of Command and Status Processing
- Media Changer Command Descriptions
- Initialize Element Status Command (07h)
- Inquiry Command (12h)
- Load Unload Command (1Bh)
- Log Sense Command (4Dh)
- Mode Select (6) / (10) Command (15h / 55h)
- Mode Sense (6) / (10) Command (1Ah/ 5Ah)
- Move Medium Command (A5h)
- Persistent Reserve In Command (5Eh)
- Persistent Reserve Out Command (5Fh)
- Position to Element Command (2Bh)
- Prevent/Allow Medium Removal (1Eh)
- Read Buffer Command (3Ch)
- Read Element Status Command (B8h)
- Release Element (10) Command (57h)
- Release Unit (6) Command (17h)
- Report Device Identifier Command (A3h)
- Report LUNS Command (A0h)
- Request Sense Command (03h)
- Reserve Element (10) Command (56h)
- Reserve Element (6) Command (16h)
- Send Diagnostic Command (1Dh)
- Set Device Identifier Command (A4h)
- Test Unit Ready Command (00h)
- Write Buffer Command (3Bh)
- Index
Chapter 2 Media Changer Commands
Persistent Reserve Out Command (5Fh)
Quantum SuperLoader 3 Software Interface Guide 80
04h Pre-empt Pre-empt persistent reservations from another
initiator
05h Pre-empt and
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
(HP drives support Service Action 07h - Register
and Move)
Refer to table 40
on page 89 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
2h Element Persistent reservation applies to the specified
element. When Element is the scope, it indicates
that the persistent reservation applies to the
element of the logical unit defined by the Scope-
Specific Address field in the
PERSISTENT
RESERVE OUT
parameter list. Element
reservations are not supported.
3h–3F Reserved Reserved
Field Name Description