User's Guide

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 83
Request Volume Element Address - B5h
What the Library Does With This Command
The library returns element descriptors that match the request made through a SEND VOLUME TAG
command. Each element address will only be reported once in response to a SEND VOLUME TAG request.
Multiple REQUEST VOLUME ELEMENT ADDRESS commands may be used to retrieve all the elements.
If no elements match the SEND VOLUME TAG request, or all elements have already been reported, the
response will only contain the volume element address header.
Command Usage
This command is used to receive the results of a SEND VOLUME TAG command.
Request Volume Element Address CDB Format
The REQUEST VOLUME ELEMENT ADDRESS CDB format is shown in the following table.
Volume Tag (VolTag) - This field indicates whether the volume tag (bar code label) information should be
returned. A value of one will return the labels, a value of zero will not.
Table 79 REQUEST VOLUME ELEMENT ADDRESS CDB format
Bit
Byte
76543210
0 Op Code (B5h)
1 Logical Unit Number VolTag Element Type Code
2
Starting Element Address
3
4
Number of Elements
5
6 Reserved
7
:
9
Allocation Length
10 Reserved
11 Control