On Wed, 28 Sept 2022 at 08:14, Lionel B. Dyck <lbd...@gmail.com> wrote:

> If these are PDSE's with generations then the question is what release of
> z/OS are you running?  If 2.4 then the ISPF delete member selections will
> delete all generations along with the base member. If 2.3 or earlier then
> only the base (generation 0) member is deleted and the generations will
> remain - just not accessible.
>
> If you are z/OS 2.3, or earlier, then you can use PDSEGEN (CBTTape file
> 969)
> to see those 'ghost' generations and easily recover them.
>
> If you are z/OS 2.4 or 2.5 then hope you have HSM backups or some other
> backup system.
>

So, um, what are PDSE generations *for* if not this kind of thing? I've
never used them, but just assumed recovering from such finger trouble was
the purpose. Is there some "production" use case for them?

Tony H.

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