Assume I have created index with 3 shards and 1 replica on 3 nodes.i.e
each node having 1 primary 1 replica shard with full of data.Now If I
make down any one of the node,each one of Remaining nodes have 3
shards(primary & replica).My doubt is....Previously we allocate only 2
shards on a node with full of data but what is the meaning of
allocating 3rd shard on the same node.Isnt the disk size full?