I am using cassandra 1.2.6 in cluster with a single node. I am trying to rename the cluster using the instructions in:
Cassandra clustername mismatch
After d
Clear /var/lib/cassandra/data, /var/lib/cassandra/commitlog, /var/lib/cassandra/saved_caches directories and restart Casandra after changing cluster name. This works very well in version 2.0.2
/var/lib/cassandra/data
/var/lib/cassandra/commitlog
/var/lib/cassandra/saved_caches