Four node ElasticSearch cluster across AWS Availability Zones

Hi,

Thanks for the response, however my question is specifically in relation to the network being partitioned and two nodes being up in each datacentre. I would like to understand how I will get the elasticsearch cluster back online in this scenario as the requirement is for three nodes to be available in order to achieve quorum in the cluster.

I guess another question would be what is the best architecture practice when building an elasticsearch cluster across availability zones in AWS. Are two nodes in each AZ sufficient or should I have an uneven number of nodes?

Thanks.

MVZ.