SCSI Commands

SEND DIAGNOSTIC Command (1Dh) (continued)

NOTE

Because of data generation and verification, this test only streams the tape for short periods of time. If Block Count is set very high, the test can take many minutes or even many hours to complete.

If the specified diagnostic test passes, a GOOD status is returned. Otherwise, a CHECK CONDITION is generated and the Sense Data contains information about the failure.

 

Table 5–78 Sense Keys Used for SEND DIAGNOSTIC

 

 

Sense Key

Description

 

 

3h

Medium Error. A positioning error has occurred in which the returned position does

 

not match the expected position. Additional Sense Code for possible additional

 

information.

4h

Hardware Error. The Additional Sense Code and any Additional Sense Code Qualifier

 

provide more specific information.

5h

ILLEGAL REQUEST. Illegal bit settings in the SEND DIAGOSTIC command.

Eh

Miscompare. A compare error occurred during a READ operation.

 

 

Additional Sense Codes and Additional Sense Code Qualifiers that apply to SEND DIAGNOSTIC self-test results are described in the table below.

Table 5–79 ASC / ASCQ for SEND DIAGNOSTIC

 

ASC

ASCQ

Description

 

 

 

 

 

 

 

15h

2h

A positioning error has occurred in which the returned position does

 

 

 

 

not match the expected position.

 

 

40h

80h

Level 1 ROM Test Failed.

 

 

40h

81h

Level 1 RAM Test Failed.

 

 

40h

82h

Level 1 Test Failed. Bad Drive Status.

 

 

40h

83h

Level 1 Test Failed. Loader Reset Failed.

 

 

 

 

 

 

 

 

 

 

 

 

5-162

 

Quantum DLT 7000 Tape System

 

Page 266
Image 266
Quantum Instruments DLT 7000 manual Sense Keys Used for Send Diagnostic, ASC / Ascq for Send Diagnostic

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