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CRS-00184: Cannot communicate with the CRS daemon on Oracle RAC

Hi,

Sometimes You can get “CRS-00184: Cannot communicate with the CRS daemon ” error.

 

Details of error are as follows.

CRS-00184: Cannot communicate with the CRS daemon.
Cause: The CRS daemon on the local node is either not running or there was an internal communication error with the CRS daemon.
Action: Check if the CRS daemon process is running on the local node.

This Error is related with the Interconnect ( private ) network down, so check Private network.

 

To solve this error, stop and start the Oracle RAC services as follows.

[root@msdbadm01 ~] cd $GRID_HOME/bin
[root@msdbadm01 bin] crsctl stop cluster -all
[root@msdbadm01 bin] crsctl start cluster -all

 

And check all services if they are online or not.

[root@msdbadm01 bin] crsctl check crs

[root@msdbadm01 bin] crsctl status resource -t

[root@msdbadm01 bin] crsctl check cluster -all

 

 

Do you want to learn more details about Oracle RAC, then read the following articles.

What is the Oracle RAC and Architecture of Real Application Cluster

 

Oracle RAC Step by Step Installation on Linux -3

 

 

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