Configuring Automatic Backups - wykład

Configuring Automatic Backups for the Control File and Server Parameter File
You can configure RMAN to automatically backup the control file and server
parameter file with every backup. This is referred to as an autobackup. The server
parameter file and control file are critical to the database and RMAN. Creating
automatic backups of the control file enables RMAN to recover the database even if
the current control file and server parameter file are lost. The control file and server
parameter file are relatively small compared to typical data files and, therefore,
backing them up frequently results in relatively little storage overhead.
If the database runs in ARCHIVELOG mode, then an autobackup is also taken whenever
the database structure metadata in the control file changes.
To configure automatic backups for the control file and server parameter file:
1. Connect RMAN to the target database as described in "Connecting to the Target
Database" on page 9-9.
2. Enter the following command:
CONFIGURE CONTROLFILE AUTOBACKUP ON;
RMAN uses a default format to assign names for these backups.
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