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Ceph: The Distributed File System Creature from the Object Lagoon

Apr 22, 2010, 12:34 (0 Talkback[s])
(Other stories by Jeffrey B. Layton)

"The last two years have seen a large number of file systems added to the kernel with many of them maturing to the point where they are useful, reliable, and in production in some cases. In the run up to the 2.6.34 kernel, Linus recently added the Ceph client. What is unique about Ceph is that it is a distributed parallel file system promising scalability and performance, something that NFS lacks.

"High-level view of Ceph

"One might ask about the origin of Ceph since it is somewhat unusual. Ceph is really short for Cephalopod which is the class of moulluscs to which the octopus belongs. So it's really short for octopus, sort of. If you want more detail, talk a look at the Wikipedia article about Ceph. Now that name has been partially explained, let's look at the file system.

"Ceph was started by Sage Weil for his PhD dissertation at the University of California, Santa Cruz in the Storage Systems Research Center in the Jack Baskin School of Engineering."

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