Quantum LTO 4, Руководство пользователя

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SCSI Interface Overview Page 11
2.3.9.1 Action codes in Message exception handling tables
1. Disconnect message case - the drive will not disconnect for the rest of the
command.
PPR message case - both the initiator and the drive go to asynchronous mode
and 8-bit narrow.
SDTR message case - both the initiator and the drive go to asynchronous mode.
WDTR message case - both the initiator and the drive go to asynchronous mode
and 8-bit narrow.
Default case - The Message Out Reject disables the feature and continues.
2. The drive goes Bus Free without setting up sense data.
3. RESERVED
4. The drive resends the message.
5. The drive issues Check Condition status and sets up sense data indicating an
Aborted command.
6. The drive rejects the message by issuing Message Reject message and
continues its operation.
7. The drive rejects the message by issuing Message Reject message. The drive
goes Bus Free without setting up sense data.
8. The drive issues Restore Pointers message and retries unless retry count
exhausted.
9. The drive ignores the message and continues.
10. Negotiations per SPI-3 spec.
11. The drive goes Bus Free and sets up sense data.
12. The drive accepts the Identify message, observes the disconnect-privilege bit in
the Identify message and then continues.
13. If the drive is continuing an operation after sending a Message in Reject, then
the drive issues Check Condition status and sets up sense data indicating an
Aborted command (Action 5), if not, then the drive goes Bus Free without setting
up sense data (Action 2).