resychronize_recovery cat

Posted on 2011-04-28
Last Modified: 2012-05-11
In laymen's word could you please tell me what is resychronizing recovery catalog...
Question by:nobleit
    1 Comment
    LVL 40

    Accepted Solution

    Oracle uses the control file as the "reference" storage or original storage for archive log history, RMAN history, database structural changes, etc.

    The catalog is only a copy of that. It you performed backups while not connected to the RMAN catalog, the history would be missing from the catalog. So would archive log history, etc.

    So you perform resynch to ensure the catalog is up to date. If you don't use a catalog instance, you'd never use this feature.

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