Error Starting Instance ORA-27504 ORA-27300 ORA-27301 ORA-27302 ORA-27303: requested interface %s interface not running (Doc ID 1534434.1)

Last updated on APRIL 26, 2013

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.2.0.1 [Release 10.1 to 11.2]
Information in this document applies to any platform.

Symptoms

There are two cluster_interconnect defined for a 11.2.0.1 (or earlier) RAC database: eth0 (10.0.0.x) and eth2(10.1.1.x). Due to network maintenance, eth0 is brought down, node 2 is restarted, after that instance 2 fails to startup with the following errors while instance 1 is still up and running:

SQL> startup
ORA-27504: IPC error creating OSD context
ORA-27300: OS system dependent operation:check if cable failed with status: 0
ORA-27301: OS failure message: Error 0
ORA-27302: failure occurred at: skgxpcini1
ORA-27303: additional information: requested interface eth0 interface not running set _disable_interface_checking = TRUE to disable this check for single instance cluster. Check output from ifcon

 

Changes

One of the cluster_interconnect network is brought down for maintenance.

Cause

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