Data Guard Physical Standby - Failover Hangs

(Doc ID 1969108.1)

Last updated on OCTOBER 18, 2016

Applies to:

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


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



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