sdfs A user space deduplication file system
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sdfs Description

SDFS will provide users with a filesystem designed to support the unique needs Virtual Environments and that supports enhanced functionaliy for VMWare, Xen, and KVM. SDFS leverages data deduplication for primary storage. It acts as a normal file system that can be used for typical IO operations similiar to EXT3, NTFS ... etc. The difference is SDFS hashes blocks of data as they are written to the file system and only writes those that are unique to disk. Blocks that are not unique just refernce the data that is already on disk. Main features: Scalability - SDFS can dedup a Petabyte or more of data. Over 3TB per gig of memory at 128k chunk size. Speed - SDFS can perform deduplication/redup at line speed 350 MB/S+ VMWare support - Work with vms - can dedup at 4k block sized. This is required to dedup Virtual Machines effectively Flexible storage - deduplicated data can be stored locally, on the network across multiple nodes, or in the cloud. Inline and Batch Mode deduplication - The file system can dedup inline or periodically based on needs. This can be changed on the fly File and Folder Snapshot support - Support for file or folder level snapshots.

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