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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