Switchover using DGMGRL fails with ORA-3113 (Doc ID 1061718.1)

Last updated on OCTOBER 18, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 10.1.0.2 to 10.2.0.4 - Release: 10.1 to 10.2
Oracle Server - Enterprise Edition - Version: 10.1.0.2 to 10.2.0.4   [Release: 10.1 to 10.2]
Generic Windows
Oracle Data Guard
Oracle Real Application Clusters
Windows Generic

Symptoms

When attempting to perform switchover to a physical standby with DGMGRL, the session is disconnected:

DGMGRL> switchover to <standby>;
Performing switchover NOW, please wait......
ORA-3113 end of file on communication channel
Switchover failed, primary is still <primary>


If Grid Control is used, the Create Standby job may show the following error in the failed task:

SQL Exception:No more data to read from socket

Cause

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