Cassandra opscenter "agents failed to connect" on removed nodes

Question

I have some EC2 instances where cassandra provisioning failed. I terminated the instances and the machines no longer exist.

Opscenter keeps nagging me about "agents failed to connect" on these machines.

The machines do not show up in nodepool status nor in the system.peers table.

Where does cassandra opscenter stores the node list to connect to so I can delete these zombie nodes ?

Answer 1

This is actually a bug in OpsCenter that is being addressed in the future. To mitigate your current issue, just restart OpsCenter and those messages should cease.