Hello, I have a 3-node ES (v1.2.1) cluster with 1 replica. When there is a node failure, the cluster rebalances and allocates primary shards(6 per index) and replicas among the remaining 2 nodes which is fine. But we had an issue where the disk space filled up and brought the whole cluster down. I understand that we should allocate enough disk space to all nodes, but is there a way to disable re-allocation of replicas ? On a node failure, we want the replica to get promoted to primary, but we don't want new replicas to be allocated among the remaining 2 nodes. Replicas should get allocated when the cluster has 3 members. I have looked at cluster.routing.allocation*rebalance options but I'm confused. Any help is appreciated.
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