User's Guide

Chapter 2 Emulated Medium Changer SCSI Commands
Request Volume Element Address (B5h)
84 Quantum DX-Series Software Interface Guide
The page header (bytes 0-7) contains information that defines the
contents of the element descriptors for the elements of that type. The
format of a status page is shown in
table 55.
Table 55 Element
Status Page
Bit/Byte 7 6 5 4 3 2 1 0
0
1
2
3
4
5
6
7
8 - X
•PVolTag
•A Primary Volume Tag field value of 1 indicates the Primary
Volume Tag Information field is present in each of these element
descriptor blocks
• A value of 0 indicates that these bytes are omitted from the
element descriptors that follow
•AVolTag
Alternate Volume Tag is not supported. This field is set to 0.
• Element Descriptor Length
This field indicates the number of bytes in each element descriptor.
• Byte Count of Descriptor Data Available
Element Type Code
PVolTag
AVolTa
g
Reserved (00h)
(MSB)
Element Descriptor Length
(LSB)
Reserved (00h)
(MSB)
Byte Count of Descriptor Data Available
(LSB)
One or More Element Descriptors