Since the control file stores the status of the physical structure of the database, it is required when you want to recover the database to the current state. Consequently, it is important to include control files in your backups. By default, control files are included in the subclient for selective online full backups. You can also include/exclude control files for online or offline backups. The following sections describe the methods by which you can back up control files.
Oracle RAC Control Files
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