Restore, recover the backup hot inevitably will be OPEN RESETLOGS

DB version: 11.2
Platform: Solaris / AIX



Cold backup is performed when the DB is in editing mode, and when no recovery is generated during the backup.
So when you restore this backup, you can open the database with
alter database open;
But when we take the backup hot of a DB, we will never be able to redo backup generated in restoration online logs when the hot backup. Thus, during recovery, we can apply only archived redo logs from the source DB and we are obliged to skip applying entries online to the DB of the Source again.
Thus, hot backup recovery will inevitably end up by in OPEN RESETLOGS.
alter database open resetlogs
These assumptions are good?

If you restore and recover to the same server with the current controlfile and remake online still present newspapers, you would be able to make a full recovery. In such a case it is not necessary to OPEN RESETLOGS.
All other cases of hot backup are incomplete recoveries and require an OPEN RESETLOGS.

In the case of a cold backup taken by RMAN, you should always an OPEN RESETLOGS because RMAN does not include online of Redo Log files.
http://hemantoracledba.blogspot.com/2008/05/RMAN-cold-consistent-backup-and-restore.html

Hemant K Collette

Tags: Database

Similar Questions

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    Best regards
    SG

    PGO

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