I'd recommend three availability zones. In this case if you loose one AZ you still have a quorum (assuming replication factor of 3)
Andrey On Tue, Mar 7, 2017 at 9:05 AM, Ney, Richard <richard....@aspect.com> wrote: > We’ve collapsed our 2 DC – 3 node Cassandra clusters into a single 6 node > Cassandra cluster split between two AWS availability zones. > > > > Are there any behaviors we need to take into account to ensure the > Cassandra cluster stability with this configuration? > > > > *RICHARD NEY* > > TECHNICAL DIRECTOR, RESEARCH & DEVELOPMENT > > *UNITED STATES* > > *richard....@aspect.com <richard....@aspect.com>* > > *aspect.com <http://www.aspect.com/>* > > > > [image: mailSigLogo-rev.jpg] > This email (including any attachments) is proprietary to Aspect Software, > Inc. and may contain information that is confidential. If you have received > this message in error, please do not read, copy or forward this message. > Please notify the sender immediately, delete it from your system and > destroy any copies. You may not further disclose or distribute this email > or its attachments. >
