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.
Illegal Field
Command descriptor block
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| 7 | 6 | 5 | 4 |
| 3 | 2 | 1 | 0 |
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| 0 |
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| Operation | Code (A0h) |
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| 1 |
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| Reserved (0) |
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| 2 |
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| Select Report |
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| 3 |
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| Reserved (0) |
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| 5 |
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| 6 | (MSB) |
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| Allocation Length |
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| 9 |
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| 10 |
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| Reserved (0) |
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| 12 |
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| Control |
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CDB fields:
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
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).
Commands
REPORT LUNS A0h 141