Understanding Lustre Internals

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Lustre Architecture

What is Lustre?

Lustre is a GNU General Public licensed, open-source distributed parallel file system developed and maintained by DataDirect Networks (DDN). Due to the extremely scalable architecture of the Lustre file system, Lustre deployments are popular in scientific supercomputing, as well as in the oil and gas, manufacturing, rich media, and finance sectors. Lustre presents a POSIX interface to its clients with parallel access capabilities to the shared file objects. As of this writing, Lustre is the most widely used file system on the top 500 fastest computers in the world. Lustre is the file system of choice on 7 out of the top 10 fastest computers in the world today, over 70% of the top 100, and also for over 60% of the top 500.[1]

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