RE: Data Migration from a V5R1 model 600 to a V5R4 520

Hi again Scott

Responding to a couple of other emails, if you are really going to restore
your data only (as opposed to a mixed release migration) then it doesn't
make a lot of sense to bother with the V5R3 step. This does however make a
lot of sens if you are doing a mixed release migration as many system
settings will get preserved.

If restoring only you would need to consider at least rebuilding the hosts
table, routing config, host & DNS configuration, system directory entries,
and relational database directory.

I've found restoring QUSRSYS and QGPL using OPTION(*NEW) and excluding Q*
objects to work well in this kind of exercise as well.

Regards
Evan Harris

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx

[mailto:midrange-l-bounces@xxxxxxxxxxxx]

On Behalf Of Evan Harris
Sent: Thursday, 2 August 2007 8:41 a.m.
To: 'Midrange Systems Technical Discussion'
Subject: RE: Data Migration from a V5R1 model 600 to a V5R4 520

Hi Scott

As I read your email you are proposing to do a mixed release migration as

per

the V5R3 upgrade book. If this is correct, then from my experience what

you

outlined would work fine, presuming you can install V5R3 onto the 520 -

and I

don't know of any reason you wouldn't be able to, although you may want to
make sure your LIC is V5R3M5. I've done much the same thing a number of

times

from similar equipment. The points you made in other emails would cover

off

anything else you need to address, particularly the SYSINF stuff to grab

the

system values and having the config source.

As far as the config goes, I have generally found it easier to just

manually

update the various lines and controllers with the new resource names but

it

depends on how many parts you are talking about.

Adding the V5R4 upgrade on afterwards would make this a fairly long

install

process I would think - best part of a weekend depending on how much data

you

have and what tape drive is on the old box. If you have a choice attach an

LTO

to the 600 :) Don't forget to run the process to reserve the LIC space on

the

load source before commencing the V5R4 upgrade and I suppose you could

also

create the QSYS/QWCTIMZON data area or set this value afterwards. If I had

a

V5R2/3/4 box I would create image catalogs for the
V5R4 upgrade and restore them onto the new machine at some stage to

complete

the V5R4 portion, it will probably save you at least a bit of time, or

allow

you to do less for the last part of the upgrade.

As a point of interest, I've seen at least one upgrade done as a mixed

release

migration from V5R1 to V5R4 that worked fine, although no doubt it would

be

highly dependent on what was installed on the original box.

Regards
Evan Harris

.