RE: JBA ML - Other-Worldly upgrade -- SYSTEM21

As I understand it, data for all "environments" are stored in the same set
of AS/400 libraries and are differentiated by an environment identifier,
whereas worlds are an entirely separate set of libraries having no shared
components. Is that correct? If so, how are program changes applied to one
environment kept separate from the other environments?

-----Original Message-----
From: bcloss@pfda.com [mailto:bcloss@pfda.com]
Sent: Friday, November 09, 2001 4:23 PM
To: jbausers-l@midrange.com
Subject: RE: JBA ML - Other-Worldly upgrade


My company has Sys21 installed into environments (Test, Blank, and
Production).  This works great without the risks of a "world" concept and
allows us to test out uplifts without impacting production.  We can do
anything in test without having to affect production and feel confident that
the results will be the same.  If we run into a problem, we can take the
production data over to test and replecate the issue.

We paid Geac to set this up for us as we were told that our original
implementation by JBA was non-standard.  Does any one else have experience
with "environments" and would like to comment?
This may be an approach that you could use to go through the upgrading
(which we had to do for Y2K) you mentioned.

-----Original Message-----
From: Johnson, Wayne [mailto:wjohnson@aetna-ind.com]
Sent: Friday, November 09, 2001 11:55 AM
To: 'jbausers-l@midrange.com'
Subject: JBA ML - Other-Worldly upgrade


Greetings!
I am a system21 newbie who is about to have a huge learning experience.
Having just started at my current company, I have been given the task of
taking the company's software through what looks like several revisions
(uplifts? upgrades?). To make things more interesting, I am supposed to
install these upgrades to a set of libraries which duplicates our production
libraries. I am told that this duplicate set of libraries is called a
"World" by the Geac folks and I have reviewed a document describing the
creation of this "world".

Does any of this sound familiar to the list members? I am looking for
comments, suggestions, warnings, and any other information to help me reduce
the number of pitfalls in this process.

Thanks in advance,

Wayne Johnson
Programmer Analyst
Aetna Industries
wjohnson@aetna-ind.com
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