In my first couple of years in this business (ancient times), I think QGPL
was considered IBM property and the library itself was replaced by some
upgrades.
In the old but not ancient days, we were always cautioned that items in QGPL
could be over written. Some of took that as "don't leave anything in QGPL
that you care about." I remember in this time period having subsystem
descriptions in QGPL that I saved elswhere before the upgrade; but after the
upgrade, my customized subsystem descriptions were still there.
In the later releases, it seems this doesn't happen anymore. There just
aren't that many IBM objects in this library to begin with. And, it seems to
me, they no longer replace the library nor the objects during upgrades. For
example, I have some example source in some of the source files and they
survived our last upgrade without incident.
As a shop standard, we still avoid putting "user" stuff in QGPL even today.
We created our own "tool" library and moved most of the general stuff there.
FWIW, we also avoid using QUSRSYS for our stuff. There is plenty of -our-
stuff there, but IBM put it there when we did something else.
Mike Krebs
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of albartell
Sent: Wednesday, August 08, 2007 4:36 PM
To: 'Midrange Systems Technical Discussion'
Subject: non-IBM objects in QGPL removed during OS upgrade
I was talking with a customer today that said they have experienced non-IBM
objects being removed/replaced in QGPL during an OS upgrade. It happened
some time ago and they couldn't remember the details of it but was fairly
certain it was because of an OS upgrade. This has caused them to adopt a
shop standard to never use QGPL for anything. I have never experienced this
behavior and would guess that it was possibly something else that caused the
objects to be removed (e.g. some library mirroring software possibly).
Does anybody know if there is precedence, in documentation or experience,
that non-IBM objects in QGPL are replaced/removed during an OS upgrade?
TIA,
Aaron Bartell
http://mowyourlawn.com
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