Nope, they have different IPs. I'm using the procedure described here to replace a dead node: http://www.datastax.com/docs/1.1/cluster_management#replacing-a-dead-node
Dead node token: X (IP: Y) Replacement node token: X-1 (IP: Z) So, as soon as the replacement node (Z) is started, it sees the dead node (Y) as UP, and tries to stream data from it during the join process. About 10 minutes later, the failure detector of Z detects Y as down, but since it was trying to fetch data from him, it fails the join/bootstrap process altogether.
