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This article shows you how to solve the error problem of Oracle RMAN backup control files, the content is concise and easy to understand, it will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

Starting with 11gR2, the backup of control files takes place without leaving the queue of control files. For non-RAC databases, this doesn't change anything. However, for RAC databases, any instance in the cluster may write to the snapshot control file due to changes made to the control file backup mechanism in 11gR2. Therefore, snapshot control files need to be visible to all instances.

All nodes in the RAC database must have access to the snapshot control file, and if the snapshot control file is not on the shared device, an error will be raised when taking a snapshot of the control file during RMAN backup.

This applies to using sqlplus/ to back up control files, and in non-

Shared location.

ORA-245 error message description

-

00245pc00000, "Control file backup operation failed"

* reason: unable to create a backup of control files because some processes

An error signal is sent during backup creation.

* Action: check the alert file for more information. This often happens.

Because some processes cannot access backup files while they are running

Backup creation. Start in any instance

Read / write control file transactions must have a

Backup control files during backup creation.

Description

1. In a RAC environment, automatic backup of control files fails because of ora-0245

Automatic backup of control files in RMAN failed with the error:

RMAN-569:= error message stack

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