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Native ZFS Is Coming To Linux Next Month

Aug 27, 2010, 15:04 (4 Talkback[s])
(Other stories by Michael Larabel)

"Prior to the emergence of Btrfs as a viable next-generation Linux file-system, Sun's ZFS file-system was sought after for Linux due to its advanced feature-set and capabilities compared to EXT3 and other open-source file-systems at the time. While ZFS support has worked its way into OpenSolaris, FreeBSD, NetBSD, and other operating systems, ZFS had not been ported to Linux as its source-code is distributed under the CDDL license, which is incompatible with the GNU GPL barring it from integration into the mainline Linux kernel. Next month, however, a working ZFS module for the Linux kernel without a dependence on FUSE will be publicly released.

"Besides the CDDL and GPL being incompatible with each other, the Sun file-system cannot simply be reimplemented in a new source base under the GNU Public License due to patents covering ZFS. ZFS has been ported to run under the Linux FUSE module that puts the file-system in user-space, but that limits the capabilities of the file-system and hampers the disk performance."

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