IBM xSeries 380, Руководство по техническому обслуживанию аппаратной части

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Diagnostics
39
SCSI CD-ROM drive buffer test
This diagnostic makes sure that the memory buffer on the CD-ROM drive is working
correctly.
SCSI CD-ROM drive self test
Most SCSI CD-ROM drive manufacturers provide a diagnostics test on the drive.
Choose this option to execute the diagnostic tests that reside on the drive. If this test is
successful, the drive is operating in accordance with the drive manufacturer’s
specifications.
To run the test, select SCSI CD-ROM Self Diagnostics Test and press <Enter>. Choose
the parameters on the screen and choose Continue. This test cannot be aborted. You
must wait until the entire test completes.
SCSI CD-ROM drive tray test
Select this test to make sure that the CD-ROM drive can eject a CD. The CD tray
should open and close. The CD-ROM drive must have an auto-eject feature for this
test to work.
SCSI CD-ROM drive read test
This test reads logical blocks of data from the CD-ROM drive. This test issues the SCSI
Read command with a 10-byte CDB. Select SCSI CD-ROM Read Test and press
<Enter>. A parameter screen appears:
If the Sequential Test or Random Test, you are prompted for the percentage of the
drive to be tested. Choose a percentage and choose CONTINUE.
Parameter Description
overall % Specifies drivewise :/ as set for each drive.
Common: Use the term % to specify all drives
SCSI CD-ROM n Specify an individual drive parameter.
Overall % Parameters
SCSI Disk 0
CONTINUE
100
Select SCSI Disk
SCSI CD-ROM Read Test
Test CDROM0
Start Block
End Block
Sequential Test
Random Test
CONTINUE
: YES
: 000000000
: 002028000