Hello, I'm planning a rolling upgrade of our ES cluster from ES 1.3.2 to ES 1.5.0, hosted on AWS. I read the instructions at http://www.elastic.co/guide/en/elasticsearch/reference/current/setup-upgrade.html which seem to be pretty straight forward but it doesn't address issues like using an au…

Changing EC2 instance ID of a data node but keeping the data volume?

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Changing EC2 instance ID of a data node but keeping the data volume?