Recreating the Controlfile in RAC
(Doc ID 118931.1)
Last updated on JULY 26, 2019
Applies to:Oracle Database - Enterprise Edition
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
This article describes how to recreate the control file in RAC.
The control file should only be rebuilt under very special circumstances:
- All current copies of the control file have been lost or are corrupted.
- It is required to change a "hard" database parameter that was set when the database was first created, such as MAXDATAFILES, MAXLOGFILES, MAXLOGHISTORY, etc.
- Restoring a backup in which the control file is corrupted or missing.
- Oracle Customer Support advises to do so.
For DBA's requiring to recreate the controlfile.
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