Re: RMAN Catalog Implicit Resync

Hello,

can you equate anything like archivelog backup or your browsing sessions to the timestamps for
"periodically updated over the course of the day"

I'd also try running SQL*PLUS queries on the catalog rather than RMAN list commands,
that'd cut out one source of implicit resync.

Regards,
Frank

On Mon, Aug 3, 2020 at 8:22 PM Charlotte Hammond < dmarc-noreply_at_freelists.org> wrote:

> Hello!
>
> What causes an implicit resync of the RMAN catalog? I had thought it was
> significant events like running backups or deleting backup pieces. However
> I've been using RMAN today, connected to the catalog, just browsing but I
> can see that the catalog has periodically updated over the course of the
> day.
>
> This shouldn't be a problem of course, but we have a legacy utility that
> runs a duplicate from backups without specifying the SCN. In this case the
> SCN seems to be plucked from the highest SCN in the AL table. This is
> fine if the AL table isn't updated outside of backups but otherwise it ends
> up with SCNs from more recent archive logs which aren't in the backup and
> so the duplicate fails.
> Any workarounds without hacking at the fragile old duplicate utility to
> force it to use a specific SCN or time?
>
> Thank you in advance for any advice! (Oracle 11.2)
>
> Charlotte
>
>
>
>

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