We run a small Cassandra 2.2.0 cluster, with 5 nodes, on bare-metal servers and we are going to replace those nodes with other nodes. I planned to add all the new nodes first, one-by-one, and later remove the old ones, one-by-one.
Although the first new node gets stuck when joining the cluster. I tried two times, left the node from one day to another, and nothing. I also executed `nodetool repair` in the new node. All I see is a lot of errors like the following one referring to the old nodes: WARN [MessagingService-Incoming-/10.10.10.10] 2016-01-05 09:34:26,784 IncomingTcpConnection.java:98 - UnknownColumnFamilyException reading from socket; closing org.apache.cassandra.db.UnknownColumnFamilyException: Couldn't find cfId=19509db0-a011-11e5-9acd-73ec538206cc I also see only one schema version with `nodetool describecluster`. Snitch: org.apache.cassandra.locator.DynamicEndpointSnitch Partitioner: org.apache.cassandra.dht.Murmur3Partitioner Any idea about what might be wrong? -- Herbert
