SSA, Microcode, Rootvg 1

[mbourne2006]

Folks

I have a 7026-H80 with rootvg residing on a pair of "system" SSA disks, one on "A" loop the other on "B". LVM mirroring protects rootvg against disk failure. It is necessary for me to upgrade the microcode on the SSA adapter, and on one of the disks in the rootvg.

I can't see anything in the H80 User Guide, and the SSA docs I've found aren't any help either.

Can anyone shed any light on this for me please?

Thanks in advance.


Kind Regards,
Matthew Bourne
"Find a job you love and never do a day's work in your life.

 

[madmurdock]

Just go to

http://www14.software.ibm.com/webapp/set2/firmware/gjsn?mode=1&mtm=7026-H80&go.x=11&go.y=16,

which is the download location for all H80 system firmware, adapter firmware und harddisk firmware, locate the proper firmware versions and follow each description listed by the firmware to update the FW.

hth

mad

Advanced Interactive eXecutable

 

[mbourne2006]

... I ain't getting in no plane ...

Thanks Mad. Unfortunately, the SSA adapter listed on that page does not present any means of downloading the necessaries.

This link is the one I've been using for all things SSA:
<

http://www-1.ibm.com/support/search.wss?rs=505&tc=STCXNXH&q=ssg*&sort=desc&dc=D400&dtm>

It clearly instructs us to ensure that no I/O is occurring during updates, but, since cfgmgr will be creating I/O on the rootvg disks (and therefore the SSA adapter) I'm assuming I need a modified procedure.

I really appreciate your help. If you think of anything else, please do share.

Where's my milk ?


Kind Regards,
Matthew Bourne
"Find a job you love and never do a day's work in your life.

 

[madmurdock]

OK, I've read the article and what is meant is not to start databases for example. The normal OS -I/O is all right. Just start the machine new and comment all start-procedures in /etc/inittab from your applications as if this would be a brand new installed machine.

Then update the adapter microcode as described in the article followed by the disks via ssadload

Have fun. I've done it a few times and it is safe

hth
mad

Advanced Interactive eXecutable

 

[mbourne2006]

Great - thanks Mad.

A Star for you

BTW - I quite agree with the fun thing. If we're not having fun, we're in the wrong job!

Cheerio

Matthew

 

[DukeSSD]

Did it work?

I'd like to know updating disk and adapter microcode on live rootvg adapters / disks works before I try.

Madmurdock did not confirm he has done this on an SSA rootvg without problems...

 

[mbourne2006]

Nope, not done it yet - hopefully next week sometime

Kind Regards,
Matthew Bourne
"Find a job you love and never do a day's work in your life.

 

[DukeSSD]

I asked them...
Watch this space:

http://www-128.ibm.com/developerworks/forums/dw_thread.jsp?forum=747&thread=142744&cat=53

Also asked about the complete lack of 5.3 support.