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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
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