If you have RAC system you need to verify your information is correct on configuration files.
To can see it run below command as oracle user
[oracle@Node1~]$ emca -config dbcontrol db -repos create -cluster
![](http://heliosguneserol.files.wordpress.com/2020/12/image-1.png?w=671)
As you can see we need to change it
Run Below command to change it
$emca -reconfig dbcontrol -cluster -EM_NODE node2 -EM_NODE_LIST node2
After you enter related information config will be change as follow
![](http://heliosguneserol.files.wordpress.com/2020/12/image-2.png?w=688)