Thanks for quick response Rob. Are you suggesting deploying 1.2.9 only if using Cassandra "DC" outside of EC2 or if I wish to use rack replication at all?
On Mon, Sep 9, 2013 at 12:43 PM, Robert Coli <rc...@eventbrite.com> wrote: > On Mon, Sep 9, 2013 at 8:56 AM, rash aroskar <rashmi.aros...@gmail.com>wrote: > >> I am planning my new cassandra 1.2.5 cluster with all nodes in single >> region but divided among 2 availablity zones equally. I want to make sure >> with replication factor 2 I get 1 copy in every availability zone. As per >> my knowledge using placement strategy EC2Snitch should take care of this. >> Is this correct? Do I need to specify any strategy options? >> > > https://issues.apache.org/jira/browse/CASSANDRA-3810 > > Has background on how one must configure all rack aware snitches. > > If you may ever have a Cassandra "DC" outside of EC2, for example for > Disaster Recovery, use GossipingPropertyFileSnitch. > > Also, deploy on 1.2.9, not 1.2.5. > > =Rob >
