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The database holding the rman catalog should be protected against information loss, the minimum level of protection can be implemented by executing a full export of the catalog schema. In case of catalog loss an import of the schema on a new or existing database will make the catalog available again. RMAN> catalog start with '/u01/app/oracle/backup'; It'll ask for the files with Yes/No options for whether you want to catalog the files or not. Also it will catalog everything present inside "backup" directory including subfolders and the files inside them.

Your control files can store the backup details for the last 30 days only which is the default 30 days RMAN> BACKUP AS BACKUPSET DATABASE Starting backup at 10-AUG-13 using target database control file instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=193 devtype=DISK allocated channel: ORA_DISK_2 channel ORA_DISK_2: sid=192 devtype=DISK channel ORA_DISK_1: starting full datafile backupset channel ORA_DISK_1: specifying datafile(s) in backupset input datafile fno In one of my customer environments, there’s no RMAN catalog being used and there is need to create this from the OEM repository to report on a routine basis: 1-Backup report of all databases FROM OEM Database: You need to login in your OEM database.. oraenv oemdba1 sqlplus / as sysdba. sql> set lines 200 pages 999 col database_name format a20 Recovery manager (rman) - RMAN is designed for backup and recovery, a extension of the Enterprise Backup Utility (EBU). RMAN takes full, physical, consistent backups of your database files.. Advantages & disadvantages of Export: Free, and easy to use; Very slow, compared to RMAN (examines every data block) Easy restore of a specific table Recovery Manager(RMAN) is an Oracle Database client that performs backup and recovery tasks on your databases and automates administration of your backup strategies. It greatly simplifies backing up,restoring and recovering database files. If you have backup files in non-FRA location , you can catalog your backup using catalog start with command of RMAN.

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When you move the backup files to non-FRA location, or your backup files are not located under default location, you need to Catalog these backups ( datafiles, control files and archivelogs ). RMAN Catalog command is used to register these files to Controlfile again. Run catalog command to register backups into new Each target imported is unregistered from the source catalog.

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O comando IMPORT CATALOG simplesmente permite a importação dos metadados de um catálogo de recuperação para dentro de outro catálogo de recuperação. RMAN-06771: cannot do IMPORT CATALOG after NOCATALOG has been used . Cause: The IMPORT CATALOG command was used after the NOCATALOG option was already specified. Solution: Restart RMAN and connect to recovery catalog if you wish to IMPORT CATALOG.

We can move or merge schemas of different RECOVERY CATALOG of different databases into a centralized repository.
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Intended audience are DBA IMPORT CATALOG is a new feature of RMAN in Oracle 11g.

Applies to: Oracle Database - Enterprise Edition - Version 9.2.0.6 to 10.2.0.5 [Release 9.2 to 10.2] While the RMAN catalog can be created and used from either a 9i or 10g database, the Enterprise Manager Grid Control database must be a 9i database. This is true at least for release 1, although this may change with future releases.
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使用IMPORT CATALOG命令可将元数据从一个恢复目录方案导入至其它目录方案中。 Oracle OCP 1Z0-053 Q6(RMAN Import Catalog). abstractcyj 發表於2016-03-30. Oracle.

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connected to source recovery catalog database. import validation complete. Finished import catalog at 2016-12-21 09:36:40.