RE: HMC firmware update policy

Since you have an HMC you must be able to communicate between the HMC and
the FSP. If you let the OS update the FSP, you could wind up with a version
of code on the FSP, that can not communicate with the HMC. That is why you
need to check the levels of the HMC and the FSP and make sure they are
compatable.

There is no reason you can't do what you want, you just need to know and
understand the level of code on your FSP, and make sure that when you apply
a cumulative package you know what level will be installed, and that the new
version can talk with the HMC.

One thing every update to the FSP being OS Managed is Distruptive, while HMC
managed it doesn't have to be. Most are Not distrubive in fact (you must
check the levels being applied).

Can you take a knife and screw a screw into a wall sure, will you have more
cuts on your fingers using a knife than a screw driver, probably.

Pete

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
MKirkpatrick@xxxxxxxxxxxxxxxxx
Sent: Tuesday, October 02, 2007 4:17 PM
To: Midrange Systems Technical Discussion
Subject: HMC firmware update policy

We have an HMC on our 9406-520. We have only one partition (no LPARs) and
will never have any others. The firmware update policy is set to HMC
managed. This is how it was set up by the BP during the system
installation. Why do I care? It seems that it would be much easier for
me to have firmware updates managed by the OS through the PTF process
instead of messing with the HMC. What am I missing? Thanks.




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