Fun with backup
I had some fun with backup over the weekend. The setup is like this:
1) There is the primary database and an active guard standby database.
2) There is RMAN catalog
3) Backups are done on the standby database, not on the primary.
This was a DR test. The question was how to restore the primary database.
Well, the DBID and the database name are the same for both the primary
database and the standby. One thing that is not the same is
DB_UNIQUE_NAME. Essentially, when restoring the primary database off
standby backup copies, one needs to change DB_UNIQUE_NAME. Unfortunately,
1) There is the primary database and an active guard standby database.
2) There is RMAN catalog
3) Backups are done on the standby database, not on the primary.
This was a DR test. The question was how to restore the primary database.
Well, the DBID and the database name are the same for both the primary
database and the standby. One thing that is not the same is
DB_UNIQUE_NAME. Essentially, when restoring the primary database off
standby backup copies, one needs to change DB_UNIQUE_NAME. Unfortunately,
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