Oracle DBA, How To, Error, Cause and Action

ORA-16658: unobserved fast-start failover configuration

ORA-16658: unobserved fast-start failover configuration


Cause:


The fast-start failover configuration was currently unobserved so failover was disallowed.



Action:


Make sure the observer is running and has connectivity to both the primary and the target standby databases. Otherwise, disable fast-start failover to perform a failover in the absence of the observer process.

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