Besides retaining information about backups in the controlfile, Oracle allows the use of an (external) Recovery Catalog schema.
When Oracle introduced “official” support for Recovery through RESETLOGS in 10g, it introduced the “%r” component of the log_archive_format parameter.
Most people read the documentation on CONTROL_FILE_RECORD_KEEP_TIME and believe that this parameter *guarantees* that Oracle will retain backup records for that long.
Here are a few more useful KEYWORDs and SubClauses AS COPY and COPY OFUnlike the BACKUPSET format that is the default for an RMAN Backup, Image Copy backups (those that would be akin to backups created as User Managed Backups without RMAN) can be created in RMAN using the AS COPY specifer.
Here are a few more useful KEYWORDs and SubClauses SECTION SIZE SECTION SIZE allows you to split a single Database file into multiple sections.
Here’s a copy of a presentation I made at Singapore Oracle Sessions – III ,14-Jul-2015 on the topic of Monitoring and Diagnostics without Oracle Enterprise Manager.
Following up on my previous post (which had the datafiles as non-OMF), here is a case with OMF files.