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Paul--

If I follow your statements correctly, you're backing up the complete system because you're about to apply permanently all of the PTFs currently installed on your system. I assume you've been running with these PTFs active (ie IPL from Side "B").

Also assuming that you've been running on these PTFs for several weeks (or months), I feel there's little risk in just applying them *PERM. Until now, IPLing from the "A" side would revert to the state the system was in before the currently un-applied PTFs were applied *TEMP.

Here's the sequence of events that we usually follow (If I haven't left anything out)--

- Decide its time to load new set of PTFs

- Apply all existing PTFs *PERM - most likely setting them to apply during the next unattended IPL (scheduled monthly)

- Download new Cume, Groups, and 'stray' PTFs we think we need
-- These will get loaded into one or more Image Catalogs

- IPL the system

- Load the new Cume, Groups, etc. and set to apply at the next IPL

- IPL the system (this will probably be 1 month after we apply the prior PTFs *PERM - just because that's our IPL Schedule)

We make a SAVSYS backup (ie Option 22 - OS, IBM products) every month after our IPL-- so we have several copies of the 'working' OS to pick from if we have problems.

--Paul E Musselman
PaulMmn@xxxxxxxxxxxxxxxxxxxx



At 1:20 PM +1300 3/29/10, PaultinNZ wrote (in part):

I had decided to do the SAVE prior to permanently applying all V5R4 PTF's so
I could restore to a 'known' stable state in need.

Okay about to apply the 'not permanently applied' fixes, load the images
etc.

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