Lustre is a massively, global, parallel distributed file system, generally used for large scale cluster computing.
Lustre file systems are available under the GNU GPL (v2 only) and provide a high performance file system for computer clusters ranging in size from small workgroup clusters to large-scale, multi-site clusters.
There are two main Lustre server components of a Lustre file system; Object Storage Servers (OSS) nodes and Meta Data Servers (MDS) nodes. File system Meta data is stored on the Lustre MDS nodes and file data is stored on the Object Storage Servers. The data for the MDS server is stored on a Meta Data Target (MDT), which essentially corresponds to any LUN being used to store the actual Meta data. The data for the OSS servers are stored on hardware LUNs called Object Storage Targets (OSTs).
Eight of the top ten and 70% of the top 100 fastest supercomputers in the world rely on Lustre for their storage needs.
Features include:
- Designed to provide cluster client nodes with shared access to file system data in parallel.
- Highly scalable and offers very significant storage management advantages.
- Supports tens of thousands of client systems, tens of petabytes of software, and more than a terabye per second of aggregate I/O throughput. This makes this file system ideal for high end HPC cluster I/O systems.
- Lustre Networking (LNET).
- High Availability.
- Lustre failover mechanism delivers call completion that is completely application transparent.
- Use any common storage technologies along with high-speed interconnects.
Website: lustre.org
Support: Wiki
Developer: Community Project
License: GNU General Public License v2.0
Lustre is written in C. Learn C with our recommended free books and free tutorials.
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