The docs mention IP addresses everywhere. http://docs.datastax.com/en/archived/cassandra/2.0/cassandra/operations/ops_replace_seed_node.html <http://docs.datastax.com/en/archived/cassandra/2.0/cassandra/operations/ops_replace_seed_node.html> Promote an existing node to a seed node by adding its IP address to -seeds list and remove (demote) the IP address of the dead seed node from the cassandra.yaml file for each node in the cluster.
http://docs.datastax.com/en/archived/cassandra/2.0/cassandra/operations/ops_replace_node_t.html <http://docs.datastax.com/en/archived/cassandra/2.0/cassandra/operations/ops_replace_node_t.html> Note the Address of the dead node; it is used in step 5. http://docs.datastax.com/en/cassandra/2.1/cassandra/initialize/initializeSingleDS.html <http://docs.datastax.com/en/cassandra/2.1/cassandra/initialize/initializeSingleDS.html> > Properties to set: > num_tokens: recommended value: 256 > -seeds: internal IP address of each seed node I saw also hostnames mentioned few times, but it just makes it even more confusing. — Roman > On May 1, 2017, at 3:50 PM, Jon Haddad <jonathan.had...@gmail.com> wrote: > > Sure, you could use DNS. Where does it say IP addresses are a requirement? > >> On May 1, 2017, at 1:36 PM, Roman Naumenko <ro...@sproutling.com> wrote: >> >> If I understand how Cassandra nodes work, they must contain a list of seed’s >> IP addressed in config file. >> >> This requirement makes cluster setup unnecessarily complicated. Is it >> possible to use DNS name for seed nodes? >> >> Thanks, >> >> — >> Roman >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org >> For additional commands, e-mail: user-h...@cassandra.apache.org >> >
