Ubuntu Is Planning To Make The ZFS File-System A "Standard" Offering
Written by Michael Larabel in Ubuntu on 6 October 2015 at 03:40 PM EDT. 44 Comments
UBUNTU --
While the ZFS file-system isn't supported by the mainline Linux kernel due to the Oracle-owned file-system being under the GPL-incompatible CDDL license, Canonical is making plans to offer ZFS on Ubuntu in some standard way.

Through the wonderful ZFS On Linux project there is a native port of the ZFS file-system driver to Linux natively (unlike the ZFS FUSE implementation) but due to the GPL vs. CDDL licensing issue it can't be mainlined into the Linux kernel.

Mark Shuttleworth sent out a brief mailing list message today responding to a user interested in making ZFS Snappy support for Ubuntu. Mark wrote, "If it's ZFS you're after, it will be included in Ubuntu as standard in due course."

By "standard" he presumably means that Ubuntu will maintain a DKMS kernel package for it in the official Ubuntu archive and perhaps we'll see that package installed by default for Ubuntu Server, but that it wouldn't be directly patched into their kernel. That's what I'd assume at least given the license issues. Ubuntu wouldn't support ZFS for the root file-system, but could be useful on Ubuntu Server for some secondary drives with RAID-Z.


Soon as we have more info on Ubuntu's ZFS plans we'll certainly pass it along. Some recent ZFS Linux file-system benchmarks can be found within Running ZFS On The Linux 4.1 Kernel.

Update: Gentoo developer and ZFS On Linux contributor, Richard Yao, has added some insightful comments. According to him, Ubuntu 16.04 could potentially have ZFS included within Ubuntu's Linux kernel build and that it would be legally allowed.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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