Quantum ATL SuperLoader ATL, User Manual

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Chapter 3 Media Changer Commands
Report LUNS Command (A0h)
Quantum ATL SuperLoader Software Interface Guide 149
Table 63 Report
LUNS Command
Descriptor Block
Figure 78 LUN
Reporting Parameter
List
Field Description
Allocation
Length
If the Allocation Length is not sufficient to contain the logical unit number
values for all configured logical units, the device server still reports as many
logical number values as will fit in the Allocation Length.
The format of the report of configured logical units is shown in
figure 78 .
Bit
Byte
7 6 5 4 3 2 1 0
0 - 3
(MSB)
LUN List Length (n – 7)
(LSB)
4 - 7
Reserved
8 - 15
(MSB)
LUN (first LUN)
(LSB)
n-7 – n
LUN (last LUN, if more than one)