HP Q153090901 - Manual (Page 141)

REPORT LUNS A0h
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REPORT LUNS A0h
Description:
The Report LUNS command allows the host to retrieve information about what logical units the drive
supports. The standard drive only has a single LUN.
Pre-execution checks:
Command descriptor block
CDB fields:
Illegal Field
7 6 5 4 3 2 1 0
0 Operation Code (A0h)
1 Reserved (0)
2 Select Report
3
Reserved (0)
5
6
(MSB)
Allocation Length
9 (LSB)
10 Reserved (0)
12 Control
Select Report The type of logical unit address that will be reported. Allowable values:
00h/02h Report all logical units accessible by the initiator through the address
target port.
01h No logical unit descriptors are returned because there are no well-known
logical units.
03h–FFh Reserved. CHECK CONDITION returned.
Allocation Length Must be at least 16 bytes. If not, the drive will return CHECK CONDITION status and
provide a sense key of ILLEGAL REQUEST and additional sense of 2400h (invalid
field in CDB).