RMAN - How to restore the controlfile using RMAN
(Doc ID 580414.1)
Last updated on FEBRUARY 04, 2020
Applies to:Oracle Database - Standard Edition - Version 188.8.131.52 and later
Oracle Database - Personal Edition - Version 184.108.40.206 and later
Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.
There are many ways to restore the controlfile for recovery using RMAN. This note provides several examples of how to get the controlfile back quickly so the restore of the database can be started asap.
By default, the format of the autobackup file for all configured devices is the substitution variable %F in the FORMAT clause. This variable format translates into c-IIIIIIIIII-YYYYMMDD-QQ, with the placeholders defined as follows:
IIIIIIIIII stands for the DBID.
YYYYMMDD is a time stamp of the day the backup is generated.
QQ is the hex sequence that starts with 00 and has a maximum of FF.
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