Joining new Cassandra nodes to an existing Cassandra cluster
The third step to adding data centers to an existing setup is to join the newly created Cassandra nodes to the existing Cassandra cluster.
Before you begin
Before you join the new Cassandra nodes, ensure that the following steps are completed:
Joining the Cassandra nodes
Joining the Cassandra nodes is a manual process that includes the following steps:
- Alter namespaces through
- Modify the Cassandra configuration files.
- Run the
nodetoolutility on every Cassandra node.
Refer to the Datastax documentation for detailed steps for joining the Cassandra nodes: Adding a data center to a cluster.
EACH_QUORUM, might fail on the existing data centers.
What to do next
Ensure that the new data center is joined to the cluster and that all data centers are
replicating data with each other. The
nodetool rebuild must have run on all new