Distributed File Systems:
Ceph vs Gluster vs Nutanix

In the new world of cloud computing, storage is one of the most difficult problems to solve. Cloud storage needs to easily scale out, while keeping the cost of scaling as low as possible, without sacrificing reliability or speed and avoiding the inevitable failure of hardware as storage scales up.  Three of the most innovative storage platform technologies are entirely software based and run on commodity hardware as distributed file systems.

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