How to fix the Oracle error CLST-02308: concurrent node deletion suspected when deleting key string?

In this post, you’ll learn more about the Oracle ErrorCLST-02308: concurrent node deletion suspected when deleting key string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLST-02308: concurrent node deletion suspected when deleting key string

Reason for the Error CLST-02308: concurrent node deletion suspected when deleting key string

Cause: A key being deleted by the current operation was deleted by another process during the small amount of time between opening it for deletion and actually deleting it. An attempt to execute multiple separate delete operations may have occurred, and may have corrupted the configuration.

How to fix the Error CLST-02308: concurrent node deletion suspected when deleting key string ?

You can fix this error in Oracle by following the below steps

Action: Verify the integrity of the Oracle Cluster Repository, and restore from backup if necessary. If only one clscfg process was active on the cluster this may be ignored.