IBM RS/6000 44P manual Download Microcode to Other Devices, Fiber Channel RAID Service Aids

Download Microcode to Other Devices

The syntax of the command is as follows: diag -c-ddevice_name -T "download [-s

diskette ] [-l previous] [-F]"

Flag Description

-FForce flag. Required to download microcode if the current level is unavailable on the source.

-lMicrocode level. Latest is default.

-sMicrocode 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