My Oracle Support Banner

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

Last updated on APRIL 03, 2020

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2 to 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
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



To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.