Quantum 1200 Series DAT Autochanger Podręcznik Użytkownika Pobierz pdf (Strona 277)

SDLT 600 SCSI Interface Guide Chapter 4: SCSI Commands

81-81200-02 REV A01 January 2005 4-235

If the specified diagnostic test passes, the drive returns GOOD status. If the specified diagnostic test

fails, the drive returns CHECK CONDITION status with Sense Data containing information about the

failure, as described in the following table.

Table 4-136. SEND DIAGNOSTIC CDB Fields — Selftst, DevOfl, and UnitOfl

Self-Test

Code Selftst DevOfl UnitOfl Diagnostic Test Run

101(b) 0 0 0 Level 1 Test with Drive and Media Health Check* (drive is

on-line)

0 0 0 1 Illegal Combination

0 0 1 0 Illegal Combination

110(b) 0 1 1 Level 1 Test and Level 2 Test with Drive and Media Health

Check* (drive is on-line)

0 1 0 0 Level 1 Test only (drive is on-line)

0 1 0 1 Illegal Combination

0 1 1 0 Level 1 Test (drive is off-line)

0 1 1 1 Level 2 Test (drive is off-line)

* Drive and Media Health Check. This test checks for the highest priority DLTSage Tape Alert that has been set

against the drive and/or the media. This information is reported in response to the next RECEIVE DIAGNOSTIC

RESULTS command.

Table 4-137. Sense Keys for SEND DIAGNOSTIC Command

Sense Key Description

3h Medium Error. The drive returns a medium error if it encounters a Hard Read or Hard Write

error during the test.

4h Hardware Error. The Additional Sense Code and any Additional Sense Code Qualifiers

provide more specific information. See

Table 4-138 on page 4-236 for more information.

5h ILLEGAL REQUEST. Illegal parameter settings in the SEND DIAGNOSTIC command.

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Quantum 1200 Series DAT Autochanger Podręcznik Użytkownika Strona 277