RE: PTF Save Files - Delete

["Pete Massiello" <pmassiello-ml@xxxxxxxxxxxx>]

Simon,

	My post stated micro-code only " So,
> by coping the B side to the A side (which is what you are in essence  
> doing
> when your permanently apply your PTFs), I know that I can reboot the  
> machine
> and be running the same version of microcode that I was running  
> before the
> PTF installation."

Pete

Pete Massiello
iTech Solutions
http://www.itechsol.com

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-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Simon Coulter
Sent: Wednesday, August 26, 2009 8:33 PM
To: Midrange Systems Technical Discussion
Subject: Re: PTF Save Files - Delete


On 27/08/2009, at 1:22 AM, Pete Massiello wrote:

> Before I load and apply the next Cumulative PTF package (and all the
> groups), we always permanently apply all the PTFs on the machine.   
> Then we
> load the next Cumulative PTF Package (and all the groups).

I only bother with that prior to an upgrade. PTFs that are superseded  
by PTFs in the later Cume or Group will automatically be permanently  
apply during the load. I want to keep PTFs as temporarily applied for  
as long as possible--gives me more flexibility in managing them even  
though I can recall the last time I needed to remove an IBM PTFs for  
being defective.

> We do PTF
> maintenance for almost all of our customers on a quarterly basis.
> Therefore, I know that they have been running on the "B" side fine  
> for the
> past 3 or 4 months.  I want to insure if we are to have a problem  
> with the
> installation of this new set of PTFs, I could reboot from the A  
> side.  So,
> by coping the B side to the A side (which is what you are in essence  
> doing
> when your permanently apply your PTFs), I know that I can reboot the  
> machine
> and be running the same version of microcode that I was running  
> before the
> PTF installation.


Note that A-side and B-side are relevant only for micro-code PTFs.  
They have no bearing on OS or LPP PTFs.

Regards,
Simon Coulter.
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