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Starting over with RMAN configuration

I was using RMAN to perform my backups and those backed up files were generated on an NFS mounted drive. Now someone removed the NFS mounted drive so my catalog is out of sync. I'd like to start all over on my RMAN configuration.

Hi, I have a quick question. I was using RMAN to perform my backups and those backed up files were generated on an NFS mounted drive. Now someone removed the NFS mounted drive so my catalog is out of sync. I'd like to start all over on my RMAN configuration, so my question is, can I just :
  1. Connect to RMAN and perform a drop catalog
  2. Delete all the RMAN backed up files
  3. Create the catalog again
Will anything go wrong if I do this?
Many times have I found it useful to just start over with my RMAN configuration. If you drop the catalog, then you will lose all information contained inside. If you only have one database in the recovery catalog, then dropping and re-creating it might be the easiest thing to do. But if you have multiple databases, then you will just want to unregister your problem database and reregister it. To unregister in Oracle 9i or earlier, sign on to the Recovery Catalog schema with SQL*Plus and issue the following:
EXECUTE dbms_rcvcat.unregisterdatabase(1, 1487421514);
The first parameter is '1' and the second parameter is your db id as seen when you connect RMAN to the database as follows:
C:\>rman catalog=rman/rman@dba1 target=sys/password@w2k1
Recovery Manager: Release 9.2.0.1.0 - 
ProductionCopyright (c) 1995, 2002, Oracle Corporation.  
All rights reserved.
connected to target database: W2K1 (DBID=1487421514)
connected to recovery catalog databaseRMAN>
After you have unregistered the database, reregister it. Then immediately take a good backup of your database on the new NFS mounts.

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