In the Sequential Test or Random Test, you are prompted for the percentage of the drive to be tested.

Sequential Test

Sequential Test

: YES

% to test

: 100

CONTINUE

 

 

 

If the starting and ending block are not specified, this test reads from block 0 to the last block. The random test is performed on the specified blocks between the start and end blocks.

3.Choose a percentage, select CONTINUE, and press Enter. v SCSI CD-ROM Play Test

Use this test to make sure that the CD-ROM drive can play audio CDs. To run the SCSI CD-ROM Play test, complete the following steps:

1.Attach a speaker to the CD-ROM drive, and insert an audio CD in the CD-ROM drive.

2.From the main menu, select SCSI, and press Enter.

3.Select SCSI CD-ROM Play Test, and press Enter. A default parameter screen appears:

Select SCSI Disk

Overall % Parameters 100

SCSI Disk 0

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.

 

 

The following appears if you specify an individual drive:

SCSI CD-ROM Play Test

Test CDROM0

: YES

Start Block

: 000000000

End Block

: 020280000

CONTINUE

SCSI Tape Test

Use the SCSI Tape Test to diagnose functions of a SCSI tape device. The SCSI Tape tests include the following:

vSCSI Tape Buffer Test

This test writes logical blocks of data to the internal buffer on the tape drive. The same logical blocks of data are then read from the tape drive buffer and compared to the original data. If the tape drive does not have an internal buffer, you cannot select this test.

vSCSI Tape Read Test

Use this test to make sure that the SCSI tape drive is reading correctly. This test reads sequential logical blocks from the SCSI tape. With default parameters, this

50IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide

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IBM 8688 manual Scsi Tape Test, Scsi Tape Buffer Test, Scsi Tape Read Test