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SCSI disk buffer test
This test write logical blocks of data to the internal buffer on the disk drive. The same
logical blocks of data are then read from the drive buffer and compared to the original
data. This test does not alter the data on the disk drive in any way. Disk drive data
integrity is not compromised by this test. If the SCSI hard disk drive does not have an
internal buffer, this test cannot be selected.
SCSI disk self test
Most SCSI disk drive manufacturers provide a diagnostics test in the firmware on the
SCSI drive. Choose this option to execute the diagnostic tests that reside on the SCSI
disk drive. If this test is successful, you will be assured that the drive is operating in
accordance with the drive manufacturer's specifications.
To run the test, select SCSI Disk Self Diagnostic Test and press <Enter>. Choose the
parameters on the screen and choose Continue. The SCSI Disk Self diagnostics test
cannot be aborted. You must wait until the entire disk self test completes.
SCSI disk write test
This test writes logical blocks to the SCSI drive sequentially. You can run this test in a
destructive or non-destructive mode. Select NO in the Destructive test parameter field
to run a non-destructive test. The SCSI test parameter screen appears:
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Hardware Maintenance Manual: xSeries 380
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