What is RMAN configuration?
What is RMAN configuration?
To simplify ongoing use of RMAN, you can set a number of persistent configuration settings for each target database. These settings control many aspects of RMAN behavior. For example, you can configure the backup retention policy, default destinations for backups, default backup device type, and so on.
How do I display RMAN configuration?
To display the current CONFIGURE command settings. The output of SHOW consists of the CONFIGURE commands used to set the configuration. RMAN default configurations are suffixed with #default ….SHOW.
| Syntax Element | Description |
|---|---|
| FORMAT | Displays the format for the control file autobackup file for configured devices. |
What is SBT in RMAN?
Configuring the Default Device for Backups: Disk or SBT RMAN is preconfigured to use disk as the default device type. No additional configuration is necessary. You may need to change the default device type from disk to tape, or change it back from tape to disk. Specifies that backups should go to disk by default.
What is RMAN retention policy?
The RMAN retention policy determines how long backups are kept for and how many copies are retained. The retention policy can be defined in terms of: REDUNDANCY – number of copies to retain. RECOVERY WINDOW – number of days to retain backups.
How do I connect to RMAN target?
To connect to a target database from the operating system command line, enter the rman command followed by the connection information. You can begin executing commands after the RMAN prompt is displayed.
What is the advantage of RMAN utility?
Some of the advantages are as follows: It selects the most appropriate backup for database recovery and renders it very easily through use of simple commands. Using RMAN, you can automatically backup the database to tape. Using RMAN Block Media Recovery, you can recover your database in the data block level.
How do I run a Sbttest?
To use sbttest:
- Make sure the program is installed and included in the system path by typing sbttest at the command line: % sbttest.
- Execute the program, specifying any of the arguments described in the online documentation.
- Examine the output.
What is parallelism in RMAN backup?
The parallelism setting defines the number of channels for a device that RMAN allocates in parallel. It does not have to correspond to the actual number of channels configured for the device. For example, you can manually configure four different sbt channels and set PARALLELISM for sbt to 2 , 1 , or 10 .
