Lustre is a novel storage and file system architecture and implementation suitable for very large clusters. Lustre is Open Source software developed and maintained by Cluster File Systems, Inc. under the GNU General Public License. The central target in this project is the development of Lustre, a next-generation cluster file system which can serve clusters with 10,000’s of nodes, petabytes of storage, move 100’s of GB/sec with state of the art security and management infrastructure. The 1.0 release of Lustre is now available, and is suitable for clusters with thousands of nodes and hundreds of terabytes of storage.