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