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cassandradatabase-migration

How do I change the Cassandra topology + snitch in a multi AZ cluster?

I have a 9 nodes Cassandra v3.11 cluster in one availability zone with SimpleSnitchStrategy.

I want to change the snitch strategy to GossipingPropertyFileSnitch and the topology to be multi AZ like this:
3 nodes in AZ-A,
3 nodes in AZ-B,
3 nodes in AZ-C.

How should I do the migration?
Move the nodes first and change the snitch strategy or
change the snitch strategy and then move the nodes?

Solution

  • Noting here that the question is a better fit for DBA Stack Exchange.

    I've posted a response in https://dba.stackexchange.com/questions/314862/. Cheers!