Let rman backup to disk en use the B/A client to backup just this one dump,
the restore will work in exact the opposite direction.

On Fri, Sep 16, 2016 at 12:07 PM, <Tom-Alesandros AT gmx DOT net> wrote:

> Hi everyone,
>
> we have a server with a big Oracle DB (~800GB) on it, which we will take
> offline. But we still need to keep the active data around for a few years
> (but no copy backup). Since I don't want the accumulated data (~11TB) to
> occupy space on the TSM Server i thought this would be perfect for a
> backupset.
> But, as it turns out, backupsets can only be done if the data has been
> stored with the BA client, not with the oracle rman client.
> I thought about moving the data to a new, exclusive storage pool which
> will not be processed by TSM maintenance processes (migration, space
> reclamation, copy backup) so that there would be now volume mount calls and
> I could check out the volumes. But this seems a bit unorthodox to me.
> Does anyone have any other ideas?
>
> Best Regards,
> Tom
>