Open Source data deduplication for less.

lessfs – A high performance inline data deduplicating filesystem for Linux.

lessfs is released under the GNU GPLv3 license and can be downloaded from:

Lessfs mailing list :

EPRD – An eventually persistent kernel based ram disk or disk cache.

TIER – A tiered storage blockdevice

Tier mailing list :

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Lessfs offers a flexible solution to utilize data deduplication on affordable commodity hardware. Lessfs is a high-performance inline data deduplication filesystem written for Linux and is currently licensed under the GNU General Public License version 3. It also supports LZO, QuickLZ and BZip compression (among a couple others), and data encryption as well as replication.

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