Lustre is an Open Source, high performance, parallel, highly scalable distributed file system.
Lustre is distributed file system generally used for large-scale cluster computing. It is often used in supercomputers because of its high performance capabilities.
The name Lustre is derived from Linux + Cluster.
OpenSFS(http://opensfs.org) supports the continued evolution and success of the Lustre file system by ensuring that Lustre remains vendor-neutral, open, and free.
Official site for Lustre http://lustre.org/