Data Guard Physical Standby - Failover Hangs
(Doc ID 1969108.1)
Last updated on APRIL 03, 2020
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 to 188.8.131.52 [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
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