I can be wrong, but I think it is not exactly true.
Yes, USERMOD is good thing, no doubt.
However I think the usermod flags your exit whenever any of the
components are being modified - but modification need not mean
reassembly requirement. In other words, some false positives are possible.
Of course, as I said, reassembly is quite simple, simpler than analysis.
--
Radoslaw Skorupka
Lodz, Poland
W dniu 21.04.2025 o 13:02, Lennie Bradshaw pisze:
When I was doing systems programming work of this type, we always installed the
exits using USERMOD statements in SMPE. Then if any exit needed re-assembly it
would be done automatically by SMPE.
It takes a little work to understand the process, but it pays off in the longer
run.
Lennie
-----Original Message-----
From: IBM Mainframe Discussion List<IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of
Radoslaw Skorupka
Sent: 21 April 2025 10:37
To:IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Exits reassembly
W dniu 21.04.2025 o 10:14, Peter pisze:
Hello
Apology for the dummy question
How do we know if a particular exit needs a reassembly before
migrating to a newer zos version?
I have seen some exits work by just copying over without reassembly.
Any thoughts or advise based on your experience
It's not dummy question.
However there is no requirement to *always* reassembly an exit when migrating
to newer z/OS version.
However:
1. Why do we reassemble? Because exit uses macros and structures which are
likely (but not always) may change.
2. Instead of detailed analysis which it is simply easier to reassemble.
3. It is not only system upgrade. It can be some PTF as well, which causes the
need to reassemble. IMHO much less likely.
4. There are exits for some applications, in that case the need for reassemble
would be different. It can be because system change or product change. Or both.
My €0.02
--
Radoslaw Skorupka
Lodz, Poland
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