IBM RS/6000 44P - Manual (Page 149)

Download Microcode to Other Devices
The syntax of the command is as follows: diag -c -d device_name -T "download [-s
diskette ] [-l previous] [-F]"
Flag Description
-F Force flag. Required to download microcode if the current level is unavailable
on the source.
-l Microcode level. Latest is default.
-s Microcode source. /etc/microcode is default. Default source device is disk.
Fiber Channel RAID Service Aids
The Fibre Channel RAID (Redundant Array Independent Disk) service aids contain the
following functions:
Certify LUN
This selection reads and checks each block of data in the LUN (Logical Unit
Number). If excessive errors are encountered the user is notified.
You can run this task from the AIX command line. The syntax of the fastpath
command is as follows:
diag -T "certify"
Certify Spare Physical Disk
This selection allows the user to certify (check integrity of the data) on drives
that are designated as spares.
You can run this task from the AIX command line. The syntax of the fastpath
command is as follows:
diag -T "certify"
Format Physical Disk
This selection formats a selected disk drive.
You can run this task from the AIX command line. The syntax of the fastpath
command is as follows:
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 syntax of the fastpath
command is as follows:
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 syntax of the fastpath
command is as follows:
diag -T "download"
Update EEPROM
This selection is used to update the contents of the EEPROM (Electrically
Erasable Programmable Read Only Memory) on a selected controller.
Replace Controller
Use this selection when it is necessary to replace a controller in the array.
Chapter 6. Introducing Tasks and Service Aids 131