1. Add disk space and increase DB_RECOVERY_FILE_DEST_SIZE.
2. Backup files to tertiary device using RMAN.
3. Consider changing RMAN retention policy.
4. Consider changing RMAN archived log deletion policy.
5. Delete files from recovery area using RMAN.
1. A database crash happened during file creation.
2. A backup control file was restored.
3. The control file was re-created.
4. DB_RECOVERY_FILE_DEST has previously been enabled and then disabled.
- The database was opened using ALTER DATABASE OPEN RESETLOGS statement.
- RMAN command RESET DATABASE TO INCARNATION was issued.
- If this happened on physical standby database, then redo apply has applied redo data from a new database incarnation.