IllegalIndexShardStateException[CurrentState[POST_RECOVERY] operation only allowed when started/recovering, origin [PRIMARY]]
We have 8 nodes, 4 are spots and 4 are on demand. The cluster keeps crashing when with the above error when we start our on demand instances which contain the primary shards of the cluster
We're using Elasticsearch 2.4
Nodes are r3.2xlarge, r4.2xlarge, r3.4xlarge
Heap is configured to 31GB (half of the node's RAM)