CRS-4640 Error on Starting 11gR2 clusterware

Posted on by Osama Mustafa in Database 
ERROR :  
 
[root@RAC01 cssd]# /oragrid/product/11.2/bin/crsctl check crs
CRS-4638: Oracle High Availability Services is online
CRS-4535: Cannot communicate with Cluster Ready Services
CRS-4530: Communications failure contacting Cluster Synchronization Services daemon
CRS-4534: Cannot communicate with Event Manager
 
When Trying To start Oracle Cluster with following Command :
 
[root@RAC01 cssd]# /oragrid/product/11.2/bin/crsctl start crs
CRS-4640: Oracle High Availability Services is already active
CRS-4000: Command Start failed, or completed with errors. 

When Trying To Stop Oracle Cluster With Following Command : 

crsctl stop crs command failed

[root@RAC01 cssd]# /oragrid/product/11.2/bin/crsctl stop crs
CRS-2796: The command may not proceed when Cluster Ready Services is not running
CRS-4687: Shutdown command has completed with errors.
CRS-4000: Command Stop failed, or completed with errors.


Solution is Simple :
 
Just Run 
 
[root@RAC01 cssd]# /oragrid/product/11.2/bin/crsctl start cluster 

[root@RAC01 ~]# /oragrid/product/11.2/bin/crsctl check crs
CRS-4638: Oracle High Availability Services is online
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online

Thank you
Osama mustafa

Published by Osama Mustafa

Osama considered as one of the leaders in Cloud technology, DevOps and database in the Middle-East. I have more than ten years of experience within the industry. moreover, certfied 4x AWS , 4x Azure and 6x OCI, have also obtained database certifications for multiple providers. In addition to having experience with Oracle database and Oracle products, such as middle-ware, OID, OAM and OIM, I have gained substantial knowledge with different databases. Currently, I am architecting and implementing Cloud and DevOps. On top of that, I'm providing solutions for companies that allow them to implement the solutions and to follow the best practices.

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