Data Guard Physical Standby - Failover Hangs (Doc ID 1969108.1)

Last updated on OCTOBER 18, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 12.1.0.1 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

Physical standby setup with Fast Start Failover enabled,

- On the Primary node a problem occurred resulting in the entire node hanging and not responding to any login attempts resulting in an automated failover beginning which does not complete

- Nothing is recorded in the DRC logs, DMON was stuck on a network call and is no longer responding

- Manual attempt to failover did not complete and appeared to hang in the Standby Site


- The failover to the Standby site does not complete successfully until the stuck Primary node had been rebooted

 

Cause

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