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
Load Unload Command (1Bh)
Quantum SuperLoader 3 Software Interface Guide 22
Load Unload Command (1Bh)
The LOAD UNLOAD command tells the target to eject all magazines. If no
magazines are present,
UNLOAD returns a CHECK CONDITION status with
an
ILLEGAL REQUEST sense key.
This command will eject the magazine(s) regardless of the setting via the
PREVENT/ALLOW MEDIUM REMOVAL command.
Figure 10 Load Unload
Command Descriptor Block
Table 7 Unload Command
Descriptor Block
Bit
Byte76543210
0
Operation Code (1Bh)
1
Logical Unit Number Reserved Immed
2 - 4
Reserved
5
Unused Reserved Flag Link
Field Name Description
Immed
Immediate. If this bit is set to 1, status is returned as
soon as the operation is started. If set to 0, status is
returned after the operation has completed.