Re: V6R1 upgrade from V5R4

[<ldwopt@xxxxxxx>]

Thank you for your  answers. I am lucky in the respect that I am only responsible for upgrading the OS. The customer will do all the other work.


---- "Mark S. Waterbury" <mark.s.waterbury@xxxxxxxxxxxxx> wrote: 
>   Hi, Dave:
>
> **First, you must read this RedBook:
>
>     http://www.redbooks.ibm.com/abstracts/redp4293.html
>
> Then instruct the customer read it and follow the procedures described 
> in this RedBook.
>
> Next, the customer (perhaps with your assistance) needs to study the 
> results of running the ANZOBJCVN command (reports), to see what objects 
> on their system cannot be converted, and then take steps to decide what 
> to do about it, if any such objects are found.
>
> Once you have the results of running ANZOBJCVN, you can begin to assess 
> the effort required to do this upgrade. For example, they might have 
> some vendor packages or applications that need to be updated to a 
> V6R1-Ready version.  And, some of their own in-house applications code 
> might need to be recompiled to ensure that they have 100% observable 
> code.  (This is explained in that RedBook.)
>
> Otherwise, you could end up having an unpleasant "learning experience." 
> For example, you could tell them "it will take 24 hours" and do the 
> upgrade over a week-end, only to discover that some of their 
> mission-critical programs or vendor applications do not have all of the 
> required observability and cannot be converted to run on V6R1. At that 
> point, you would have a very unhappy customer who is "dead in the 
> water". The only recourse would be to restore everything to V5R4 again, 
> assuming you (or they) have a "known good" complete back-up of 
> everything, to allow them to be able to continue running until such time 
> as those issues can be resolved.
>
> All the best,
>
> Mark S. Waterbury
>
> > I know this is a loaded question BUT I had a customer call and ask, If we decide to upgrade to V6R1 from V5R4, how long will it take?
> >
> > The system is an 8203 E4A with over 58% disk free.
> >
> > All I am asking is for a ball park figure as to the estimated time to apply and complete the upgrade. I will be downloading the upgrade from IBm and using image catalogs
> >
> > Thanks
> > Dave Willenborg
> > FNTS
> > Omaha NE
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