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If possible due to time constraints and what not, my choice is to always
want to do a backup from one machine and restore to a new machine at the
same release, and then upgrade that. It is the simplest, most
straightforward approach you will find. In addition, when you do the
restore you are getting everything from the old system. I have seen people
try to do shortcuts, and they think they have everything, and then a few
weeks later they realize they don't have a few items, or the reply list
entries didn't come across, or the system values aren't the same. It
doesn't matter what the difference is, it will be there and it will raise
its ugly head when you least expect it.
I would Order the new machine and do a full restore to the machine, and then
upgrade that machine. If you have release level compatibility issues, then
search the archives myself and others have commented on doing mixed mode
release upgrades. You might spend a little more time initially doing this,
but you will save more hours than you can imagine during your testing.
JMHO,
Pete
--
Pete Massiello
iTech Solutions
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-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Graap, Kenneth
Sent: Friday, June 04, 2010 3:54 PM
To: 'Midrange Systems Technical Discussion'
Subject: Indecision ... Do I BU/Restore/Upgrade OR BU/migrate/refresh...
I will be REPLACING my current iSeries 550 system with a new IBMi 520 system
(different serial number) ...
I will be transferring all the license program products from the current
system to the old system.
The current system is utilizing about 80% of 2TB's...
I have a couple of months to do this before going live in September so I
don't have to do this whole project over one long hectic weekend.
The current system is at V5R4. When I'm all done, I want the new system to
be at V6R1 (Not 7.1 ... We'll do that next year)
If you were presented with this project how would you do it?
Would you:
1.) BU the current system, return it to production operation
2.) Then restore the BU on the new system and upgrade to V6.1
3.) Test test test test... the new system
4.) Then prior to going live, refresh User Data using the most current
BU from the current system...
Or would you:
1.) Install the new system at V6.1
2.) BU the current system, return it to production operation
3.) Using the migration method outlined in the BU Recovery manual,
restore user data to the new system
4.) Test test test test .... the new system
5.) Then prior to going live refresh User Data using the most current BU
from the current system...
What might be the Pros and Cons to using either method? Is there a better
way to do this?
One question that comes to mind.... Could I even refresh/merge things like
the user data for BRMS or the Advanced Job Scheduler, on the new system
after it was upgraded to V6R1 ????
Ahhhhhh... Decisions decisions decisions ....
Your thoughts on this will be greatly appreciated !
P
Please consider the environment before printing this email
Kenneth
Kenneth E. Graap
Systems Administrator
NW Natural
keg@xxxxxxxxxxxxx<mailto:keg@xxxxxxxxxxxxx>
http://www.linkedin.com/in/kennethgraap
503-226-4211 x5537
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