Certify Media
This task allows the selection of diskette or hardfiles to be certified.
Hardfiles can be connected either to | a SCSI adapter | or | a | PCI | SCSI | |
RAID adapter. The usage and criteria | for | a hardfile connected | to | a | ||
adapter are different from those for | a | hardfile connected to | a | PCI | SCSI | RAID |
adapter. |
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ŸCertify Diskette
This selection provides a way to verify the data written on a diskette. Whe
service aid is selected, a menu asks you to select the | type of | diskette b | |||
verified. The program | then reads all of the | ID and | data | fields | on the disk |
time and displays the | total number of bad | sectors | found. |
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ŸCertify Hardfile Attached to a
This selection reads all of the ID and data fields. It checks for bad da counts all errors encountered. If the unrecovered data errors exceed the threshold value, the hardfile needs to be formatted and certified. If the data errors, recovered and unrecovered equipment errors exceed the threshold values, the disk needs to be replaced.
This task may be run directly from the AIX command line. The following usage statement describes the syntax of the command:
Usage:
diag
ŸCertify Hardfile attached to a PCI SCSI RAID Adapter
This selection is used to certify physical disks attached to a PCI SCSI RAI
adapter. Certify reads the entire disk and checks for recovered errors,
unrecovered errors and reassigned errors. If | these errors exceed the thres | |||
values, the user is | prompted to | replace | the | physical disk. |
This task may be run directly from the | AIX command line. The following usage | |||
statement describes | the syntax | of the | command: |
Usage:
diag
Flag | Description |
Physical Disk channel/ID (example: 27) | |
All disks. |
Chapter 9. Introducing Tasks and