User's Guide

Chapter 2 Emulated Medium Changer SCSI Commands
Request Volume Element Address (B5h)
Quantum DX-Series Software Interface Guide 83
Table 54 Volume
Element Address
Header
Bit/Byte 7 6 5 4 3 2 1 0
0
1
2
3
4
5
6
7
8 - X
• First Element Address Reported
This field indicates the element address of the element with the
smallest element address found to meet the command description
block request.
• Number of Elements Reported
This field indicates the number of elements meeting the request in the
command descriptor block. The status for these elements is returned
if sufficient allocation length was specified.
• Send Action Code
The Send Action Code is specified by the previous Send Volume
Tag command. The DX-Series system only supports Action code 05h.
• Byte Count of Report Available
This field indicates the number of bytes of element status page data
available for all elements meeting the request in the command
descriptor block.
From 0 to 4 Element Status Pages can be returned. One page is returned
for each type of element with status information. Each page contains a
header and 1 or more element descriptors. Each element descriptor
reports the status for a single DX-Series system element.
(MSB)
First Element Address Reported
(LSB)
(MSB)
Number of Elements Reported
(LSB)
Reserved (00h) Send Action Code (05h)
(MSB)
Byte Count of Report Available
(LSB)
One or More Element Status Page(s)