How to Upgrade HBA Firmware

1.     Determine the FRU Number and Microcode level of the adapter installed in the target system

        lsdev -C | grep “fcs”

2.     Check the current microcode level on the adapter –  

        lscfg -vl fcsX OR lsmcocde -d fcsX

        Device Specific.(Z9)……..CS3.91X4  ß Firmware level

3.     Download RPM package for AIX systems.

• Make a directory on an AIX system to receive theRPM format file. Enter: mkdir /etc/microcode  
• Transfer the RPM format file to a temporarydirectory on the target server. 
• You’ll see the filename ispci.df1080f9-1-91×4.aix.rpm
• Unpack the file by executing the instructionsbelow:Enter the commands: If the firmware unpacks successfully, the microcodefiles will be added to /etc/microcode/ 
• rpm -ihv –ignoreos pci.df1080f9-1-91×4.aix.rpm  

4.  Alternately following command can be used –  

     diag –d fcs1 –T download

smitty-like screen within diag and prompts should be something like this

[Inside Diag Screen]

NOTICE – lets you know your updating microcode.  Hit ENTER

Warning that the current microcode isn’t in /etc/microcode.   Hit ENTER

Screen telling the current microcode and what the new one will be.

Hit ENTER   – this will cause the microcode to be updated.  May cause a system hang for 30 seconds to a minute or 2.

5.   Backout: Listed in the online documents is this command for backing out the HBA microcode update.  The command is:

            diag -d fcsX -T “download -f -l previous”