Exabyte EXB-8205 Instruções de Operação descarregar pdf (Página 282)

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21.1 About This Command

The SEND DIAGNOSTIC command causes the CTS to perform

certain self-diagnostic tests. If a test is successful, the CTS returns

Good status; otherwise, it returns Check Condition status. When this

command is followed by a RECEIVE DIAGNOSTIC RESULTS (1Ch)

command or a REQUEST SENSE (03h) command, detailed results of

these diagnostic tests are reported to the initiator.

Notes:

To ensure that the diagnostic data returned is valid, the SEND

DIAGNOSTIC command must be immediately followed by the

RECEIVE DIAGNOSTIC RESULTS command.

To ensure that the results of the diagnostic test are not destroyed

by a command sent by another initiator, the CTS should be

reserved for the initiator’s exclusive use.

The initiator must support the disconnect option if you plan to

usetheSENDDIAGNOSTICcommandbecausetheCTSwill

disconnect from the initiator while the command is executing.

If the requested test involves a tape, the SEND DIAGNOSTIC

command returns Check Condition status with the sense key set

to Illegal Request (5h) and the ASC and ASCQ fields set to 53h

and 02h under either of the following conditions:

•

The Prevent bit in the PREVENT/ALLOW MEDIUM

REMOVAL (1Eh) command is set to 1 (prevent media

removal).

•

The NAL bit in MODE SELECT (15h) is set to 0 (autoloading

disabled).

21-2

EXB-8205 and EXB-8505

(Standard and XL)

510503

21 SEND DIAGNOSTIC (1Dh)

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