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
Read Element Status Command (B8h)
Quantum SuperLoader 3 Software Interface Guide 110
Data Transfer Element
Descriptor 2
Figure 65 defines the data transfer element descriptor.
Figure 65 Data Transfer
Element Descriptor
IMPEXP When set to 1 it indicates that the unit of media in the
import/export element was placed there by an
operator. When set to 0, it indicates that it was placed
there by the medium transport element. When the
Except bit is 1, the value of the IMPEXP bit is invalid.
NOTE: For fields not defined in this table, see table 49
on page 106.
Bit
Byte 7 65 4 3210
0-1
Element Address
2
Reserved Access Except RSVD Full
3
Reserved
4
Additional Sense Code
5
Additional Sense Code Qualifier
6
Not BUS
(0)
RSVD ID
Valid
LU
Valid
RSVD Logical Unit Number
7
SCSI BUS Address
8
Reserved
9
SVALID Invert Reserved
Field Name Description