IBM B50 - Manual (Page 193)

Fibre Channel RAID Service Aids
The Fibre Channel RAID service aids contain the following functions:
Certify LUN
This selection reads and checks each block of data in the LUN. If
excessive errors are encountered the user is notified.
You can run this task from the AIX command line. The following usage
statement describes the syntax of the fastpath command:
Usage: diag -T "certify"
Certify Spare Physical Disk
This selection allows the user to certify (check integrity of the data) on
drives designated as spares.
You can run this task from the AIX command line. The following usage
statement describes the syntax of the fastpath command:
Usage: diag -T "certify"
Format Physical Disk
This selection is used to format a selected disk drive.
You can run this task from the AIX command line. The following usage
statement describes the syntax of the fastpath command:
Usage: diag -T "format"
Array Controller Microcode Download
This selection allows the microcode on the Fibre Channel RAID controller
to be updated when required.
You can run this task from the AIX command line. The following usage
statement describes the syntax of the fastpath command:
Usage: diag -T "download"
Physical Disk Microcode Download
This selection is used to update the microcode on any of the disk drives
in the array.
You can run this task from the AIX command line. The following usage
statement describes the syntax of the fastpath command:
Usage: diag -T "download"
Update EEPROM
This selection is used to update the contents of the EEPROM on a
selected controller.
Chapter 9. Introducing Tasks and Service Aids 9-21