1.10. Configuring the Control File Autobackup
RMAN can be configured to automatically back up the control file and other server parameter files whenever information impacting the control file is changed or modified. This is a valuable asset to a backup because this allows RMAN to recover the database even if the control file or server parameter file is lost. This process is called control file autobackup.
The common naming of the server parameter file and control file allow RMAN to search and restore these files without accessing the RMAN repository. Once the control file is restored and mounted, the RMAN repository becomes available. RMAN can then use the repository information to restore datafiles and archive logs.
Configuring the autobackup ...
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