Request Volume Element Address
Julyl 2017 Command Set 231
Request Volume Element Address
The Request Volume Element Address command (B5h) requests that the library
return the results of a previous Send Volume Tag command.
TABLE 4-128 Request Volume Element Address Command
Byte
Bit
76543210
0 Operation Code (B5h)
1 Ignored VolTag Reserved (0h)
2
to
3
(MSB)
Starting Element Address
(LSB)
4
to
5
(MSB)
Number of Elements
(LSB)
6 Reserved (00h)
7
to
9
(MSB)
Allocation Length
(LSB)
10 Reserved (00h)
11 Control Byte (00h)
Request Volume Element Address Command Descriptions:
VolTag (Volume Tag)
This bit indicates whether volume tag (VolTag) information is to be
reported in response to this command:
0 = Volume Tag information is not reported.
1 = Volume Tag information is reported.
Starting Element Address
Specifies the minimum element address to report.
Only elements with an address greater than or equal to the Starting
Element Address are reported.
The Starting Element Address must be a valid address for the library but
does not have to be an address of the type requested in the Element Type
Code.
Number of Elements
Represents the maximum number of element descriptors to be transferred.
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