| PERSISTENT RESERVE IN | 5Eh |
PERSISTENT RESERVE IN is used to obtain information about persistent reservations and reservation keys that are active within a tape drive logical unit.
Illegal Field Reservation Deferred Error Unit Attention
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 (5Eh) |
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| 1 |
| Reserved (0) |
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| Service Action |
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| 2 |
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| Reserved (0) |
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| 6 |
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| 7 | (MSB) |
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| Allocation Length |
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| 8 |
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| 9 |
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| Control |
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CDB fields:
Service Action The service action types that are supported are:
00h | Read Keys | Returns all registered reservation keys |
01h | Read Reservation | Returns information on any current persistent reservation |
02h | Read Capabilities | Returns details of the persistent reservation features supported |
Allocation The maximum amount of data (in bytes) that should be returned to the host. The drive will
Length return all of the requested information or allocation length bytes, whichever is least.
98 Commands