DFSMShsm has done recall tape takeaway for quite some time. If a recall
needs a tape that is being used as recycle input (or, IIRC, TAPECOPY), the
using task is forced to give the tape up.

On Thu, 14 Mar 2024 at 12:46, Allan Staller <
[email protected]> wrote:

> Classification: Confidential
>
> <QUOTE>
> Gadi, Mike has a good point.  Doing HSM tape recycles could help free up
> any tapes with a low number of datasets on them.  This is true for
> migration tapes and backup tapes.  Be warned that if you don't do tape
> recycles on a scheduled basis the process could possibly run for a long
> time.  As an example, I think that could then impact HSM process of recalls
> from tape.  I believe the place I last worked at did tape recycles every day
> </QUOTE>
>
> You might want to consider "sneaking up" or your eventual goal.
> Let us say your goal is to eventually get to a 25% recycle percentage.
> Day 1 you could do a 5% recycle, Day 2 could be a 10% recycle,....
>
> Also, you can issue a HSM RECYCLE command to find out (in advance) how
> many tapes will be included.
>
> BTW, you can also segregate Backup and Migration recycles. By default all
> tapes (Backup and Migration) are included with Migration being processed
> first.
>
> HTH,
>
>
>

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