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Welcome to OpenZFS


OpenZFS was announced in September 2013 as the truly open source successor to the ZFS project. Our community brings together developers from the illumos, FreeBSD, Linux, and OS X platforms, and a wide range of companies that build products on top of OpenZFS.

OpenZFS is an outstanding storage platform that encompasses the functionality of traditional filesystems, volume managers, and more, with consistent reliability, functionality and performance across all distributions:

illumos Webpage GitHub
FreeBSD Webpage GitHub
ZFS on Linux Webpage GitHub
OpenZFS on OS X Webpage GitHub


The high-level goals of OpenZFS are:

  • to raise awareness of the quality, utility, and availability of open source implementations of ZFS
  • to encourage open communication about ongoing efforts to improve open source ZFS
  • to ensure consistent reliability, functionality, and performance of all distributions of ZFS.

The main technical goal of OpenZFS is easier sharing of code between platforms. Strategies include:

What's new?

June: BSDCAN will be held June 12-13 in Ottawa, Canada.

May: European OpenZFS Conference will be held May 26 in Paris.

April: OpenZFS Office Hours with Justin Gibbs was held April 2nd

March: AsiaBSDCon 2015 was held March 12-15th in Tokyo.

November: The OpenZFS Developer Summit 2014 was held November 10-11th.

Site orientation

All main pages (alphabetical order) …