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5.17PERSISTENT RESERVATION OUT Command (5Fh)
The PERSISTENT RESERVATION OUT command is a
Persistent reservations conflict with reservations made via the RESERVE command. Initiators that perform PERSISTENT RESERVATION OUT actions are identified by a reservation key assigned by the application client. The client may use the PERSISTENT RESERVATION IN command to identify which other initiators within a system hold conflicting or invalid persistent reservations and use the PERSISTENT RESERVATION OUT command to preempt those reservations if necessary.
Note that since persistent reservations are not reset by the TARGET RESET task management function or other global actions, they can be used to enact device sharing among multiple initiators. The PERSISTENT RESERVATION OUT and PERSISTENT RESERVATION IN commands provide the means for resolving contentions in
illustrates the format of the PERSISTENT RESERVATION OUT command. Table
Table
Bit | 7 | 6 |
| 5 |
| 4 |
| 3 |
| 2 |
| 1 | 0 |
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0 |
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| Operation | Code (5Fh) |
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1 |
| Reserved |
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| Service Action |
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2 |
| Scope |
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3 - 6 |
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7 – 8 |
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| Parameter List Length (18h) |
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9 |
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| Control |
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Maxtor Atlas 10K V |