Is it mandatory that we should have symmetric mount point while adding data-nodes to the existing cluster?
For example in the existing DataNode directories has 5 mount point(/grid/0,/grid/1,/grid/2,/grid/3,/grid/4) where as in the new datanode it has 3 mount point (/grid/0,/grid/1,/grid/2)
No. You don't have to.
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