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
Prevent/Allow Medium Removal (1Eh)
Quantum SuperLoader 3 Software Interface Guide 94
Prevent/Allow Medium Removal (1Eh)
This command enables or disables the removal of the magazines as well
as removal of tape cartridges through the mail slot via front panel and
On-board Remote Management control. It does not prevent removal via
the SCSI
Load Unload command.
Figure 53 Prevent/Allow
Medium Removal
Table 43 Prevent/Allow
Medium Removal Command
Descriptor Block
Bit
Byte7654321 0
0
Operation Code (1Eh)
1
Logical Unit Number Reserved
2 - 3
Reserved
4
Reserved Prevent
5
Unused Reserved Flag Link
Field Name Description
Prevent When set to 1, removal via operator control is
disabled. A
MOVE MEDIUM command with a
destination address equal to the mail slot would
return a
CHECK CONDITION status. The sense key
shall be
ILLEGAL REQUEST with the additional sense
code
MEDIA REMOVAL PREVENTED. The PREVENT/
ALLOW
status in the device is maintained separately
by each initiator.
When set to 0, the prevent state corresponding to that
initiator is cleared. By default, after power up, a hard
reset, or
BUS Device Reset message, the prevent
medium removal function is cleared.