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
Log Sense Command (4Dh)
Quantum SuperLoader 3 Software Interface Guide 37
Device Status Page (3Eh)2
The Device Status Page describes the current status of the media changer.
Figure 22 Device Status Log
Sense Header
TSD Target Save Disable not supported, always 1.
ETC
Enable Threshold Comparison. Threshold checking is not supported on this
page. Always set to 0.
TMC
Threshold Met Criteria. Always 0.
LP
List Parameter. Always set to 0.
Parameter
Length
The number of bytes to follow (0Ch).
Time Stamp The Time Stamp is represented as number of power cycles and total power
on hours.
Source
Element/
Destination
Element
These fields report the element addresses that were involved in the failure.
These fields will be zero (0) if the failure did not involve a move command.
Bit
Byte76543210
0
Reserved Page Code (3Eh)
1
Reserved
2 - 3
(MSB)
Page Length
(LSB)
Field Name Description