I have an ES7 cluster (6 nodes, different types).
When moving indices from one node to another - disk space remains the same.
I have moved almost 1TB from one node to other nodes up to a point the mentioned node does not have any indices at all, and yet data disk remains unchanged.
I have used a curator job to move the indices and forcemerge them on the new nodes.
Any idea why disk space not freed up?