How do I find registered databases in RMAN catalog?
RMAN Register Database in Recovery Catalog
- $ export ORACLE_SID=db1. $ rman target / catalog rcat_owner/[email protected]
- RMAN> report schema; Report of database schema.
- $ rman target / catalog rcat_owner/[email protected] connected to target database: DB1 (DBID=1302506781)
- $ rman target / catalog rcat_owner/[email protected]
- $ export ORACLE_SID=rc.
What does RMAN do when a database is registered?
RMAN> REGISTER DATABASE; RMAN creates rows in the catalog tables to contain information about the target database, then copies all pertinent data about the target database from the control file into the catalog, synchronizing the catalog with the control file.
How do I register a target database in RMAN catalog?
Use the REGISTER DATABASE command to register the target database in the recovery catalog so that RMAN can maintain its metadata. RMAN obtains all information it needs to register the target database from the target database itself. Execute this command only at the RMAN prompt.
How do I view databases in recovery catalog?
The easiest way is to obtain the DB_KEY is to use the DBID of the target database, which is displayed whenever you connect RMAN to the target database. The DBID, which is a unique system-defined number given to every Oracle database, is used to distinguish among databases registered in the RMAN recovery catalog.
What is resync catalog in RMAN?
Description. RESYNC CATALOG. Updates the recovery catalog with RMAN metadata in the current control file of the target database (default). RMAN creates a snapshot control file to obtain a read-consistent view of the control file, then updates the recovery catalog with any new information from the snapshot.
How do I register a backup piece in RMAN?
Use the CATALOG command to do the following: Add backup pieces and image copies on disk to the RMAN repository….
- The RMAN command BACKUP AS COPY CURRENT CONTROLFILE.
- The SQL statement ALTER DATABASE BACKUP CONTROLFILE.
- The SQL statement ALTER DATABASE CREATE STANDBY CONTROLFILE.
How do I unregister a database catalog?
Use the UNREGISTER command to remove the RMAN metadata for one or more registered databases from the recovery catalog. Execute this command only at the RMAN prompt. RMAN must be connected to a recovery catalog. The database to unregister must be currently registered in this catalog.
How does RMAN connect to catalog database?
To connect to RMAN from the operating system command line and hide authentication information, you must first start RMAN and then perform either of the following actions:
- Run the CONNECT commands at the RMAN prompt.
- Run a command file at the RMAN prompt that contains the connection information.
Can we use same target database as catalog database?
Do not use the target database to be backed up as the database for the recovery catalog. The recovery catalog must be protected if the target database is lost.