Ceph (software)
Ceph is a free software distributed file system developed by Sage Weil. Its main goals are to be POSIX-compatible, and completely distributed without single points of failure. As most DFSes, it supports transparent replication and fault tolerance.
Unlike most distributed file systems, Ceph does "striping" of individual files across multiple nodes for higher throughput, similarly to how RAID0 stripes partitions across multiple hard drives. Ceph can be stored on a raw block device, or another local file system (with some caveats).
The client computers rely on FUSE to mount the file system, although a simple Linux kernel client is also in development. The server runs as a regular Unix daemon.
References
- "Ceph Distributed Network File System". KernelTrap. 2007-11-15.
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See also
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