RMAN new features in 11g R1 and 11g R2

Although there have been quite a large number of new features and significant enhancements incorporated in RMAN 11g R1 and 11g R2, this section primarily focuses on the core new features and enhancements of RMAN that are valuable to apply into your respective databases. These are:

• Database Recovery Advisor

• Multisection backups for very large datafiles

• Undo tablespace optimization

• Faster backup compression

• Active database duplication

• Archivelog deletion policy enhancements

• Automatic Block Recovery

• Tablespace point-in-time recovery enhancements

Database Recovery Advisor

The Database Recovery Advisor (DRA) is a new database built-in tool in 11g R1. The DRA enables DBAs to automatically detect, analyze, and diagnose potential data block corruptions or data failures due to a lost or inaccessible data file. This helps reduce the mean time to recover a database.

Whenever a data error or a failure is detected in the database, the DRA recommends an automatic repair option...