Re: Upgrading OS

[rob@xxxxxxxxx]

-Verify that your existing hardware will work with it.  Not just the box, 
but any tape drives, etc also.
-Verify that your existing software packages will also work with it. 
Classic example being the death of IBM's OV/400 a few releases back.  V5R3 
has been out long enough that most vendor packages should be cool with it. 
 Providing you keep up on any updates required.
-Read the memo to users carefully.
-Study the documentation for the V5R1 to V5R2 upgrade, even if you are 
skipping that.  Sometimes it is assumed that you may have already went 
through the pain of your favorite piece of hardware or software when you 
went to V5R2 and it won't be mentioned in the V5R3 documentation.
-The Software Upgrade Manual should give you disk growth projections. 
However if you're running so close that an OS upgrade concerns you, you 
probably need more disk.  Granted that Cisc-to-still-on-Cisc upgrade of 
V2R3 to V3R1 was a killer because of the database cross reference file 
addition.

http://www-1.ibm.com/servers/eserver/iseries/support/planning/nav.html

http://publib.boulder.ibm.com/html/as400/infocenter.html


Rob Berendt
-- 
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





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Subject
Upgrading OS






I was wondering if anyone has any pointers, advice or known gotchas in 
upgrading the OS from V5R1 to V5R3.

In addition, can someone give me an idea of how much disk space V5R3 
takes? 

I would like to make sure we don't get started and then find we have 
problems and tank the whole thing.

Douglas

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