Have multiple catalogs. Backup connecting to 1 catalog. At completion, connect to another catalog and resync. How about having DG for the catalog database? NOTICE OF CONFIDENTIALITY - This material is intended for the use of the individual or entity to which it is addressed, and may contain information that is privileged, confidential and exempt from disclosure under applicable laws. BE FURTHER ADVISED THAT THIS EMAIL MAY CONTAIN PROTECTED HEALTH INFORMATION (PHI). BY ACCEPTING THIS MESSAGE, YOU ACKNOWLEDGE THE FOREGOING, AND AGREE AS FOLLOWS: YOU AGREE TO NOT DISCLOSE TO ANY THIRD PARTY ANY PHI CONTAINED HEREIN, EXCEPT AS EXPRESSLY PERMITTED AND ONLY TO THE EXTENT NECESSARY TO PERFORM YOUR OBLIGATIONS RELATING TO THE RECEIPT OF THIS MESSAGE. If the reader of this email (and attachments) is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. Please notify the sender of the error and delete the e-mail you received. Thank you. -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Sam K Sent: Wednesday, March 24, 2010 9:57 AM To: oracle-l@xxxxxxxxxxxxx Subject: RMAN catalog Hi All, I am interested in knowing what the best practice is for backing up the RMAN catalog database. How often and the best backup method? What's the high availability solution if any, you have for the RMAN catalog DB We have around 400+ DB's backed up via RMAN -- Regards Sam K -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l