i believe the system keyspace keeps track of the cluster topology. even though you changed info in yaml, the system keyspace still knows about the other nodes. remove the system keyspace files from data dir and try again
On Fri, Oct 5, 2012 at 4:47 AM, Fredrik <fredrik.l.stigb...@sitevision.se> wrote: > I guess that the other nodes still gossips about the removed node. The node > isn't removed from gossiper in the cluster until some amount of time have > elapsed. My guess is that you haven't changed the cluster_name property in > the cassandra.yaml on the removed node. > > > Xu, Zaili skrev 2012-09-28 20:53: > > I have an existing Cassandra Cluster. I removed a node from the cluster. > Then I decommissioned the removed node, stopped it, updated its config so > that it only has itself as the seed and in the cassandra-topology.properties > file, even deleted the data, commitlog, and saved_caches. But as soon as I > start it backup it is able to join back to the cluster. How does this node > know the information of the existing cluster and was able to join it ? > >
