ZFS+ is a combinedfile system andlogical volume manager software subsystem initially released under theCommon Development and Distribution License (CDDL). It is based onZFS, originally developed bySun Microsystems, with proprietary data deduplication features added byGreenBytes and subsequently made proprietary for a storage system product.[1] GreenBytes originally owned the trademark on ZFS+, not to be confused with the ZFS trademark currently held byOracle Corporation.[citation needed] (GreenBytes itself is now owned by Oracle.)
GreenBytes created a storage appliance, called Cypress NAS Filer, originally based upon the Sun Microsystemsx86-64-basedSun Fire X4500 platform, and bundled their ZFS+ implementation as a value-add technology. GreenBytes claimed their ZFS+ technology could reduce storage power consumption by 50%.
In 2009, GreenBytes relaunched its technology under a new name,GBFS (GreenBytes File System).[2]
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