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
Set Device Identifier Command (A4h)
Quantum SuperLoader 3 Software Interface Guide 138
Table 62 Set Device Identifier
Command Descriptor Block
The SET DEVICE IDENTIFIER parameter list contains the identifier to be
set by the addressed logical unit.
Figure 81 Set Device Identifier
Parameter List
Table 63 Set Device Identifier
Parameter List
Field Description
Service
Action
Must be
06h. Any other value will return Check
Condition
, Illegal Request.
Parameter
List Length
Specifies the length in bytes of the
Identifier that shall
be transferred from the application client to the device
server. The maximum value for this field shall be
64 bytes. A parameter list length of zero indicates that
no data shall be transferred, and that subsequent
REPORT DEVICE IDENTIFIER commands shall return
an Identifier length of zero. If the parameter list length
exceeds 64 bytes, then the drive will return
CHECK
CONDITION
status with the sense key set to ILLEGAL
REQUEST
and an additional sense code of INVALID
FIELD IN CDB
.
Bit
Byte76543210
0 - n
Identifier
Field Description
Identifier Data to be returned by all subsequent
REPORT
DEVICE IDENTIFIER
commands, until replaced by
another valid
SET DEVICE IDENTIFIER command.