![]() In the release version of Mac OS X 10.5, ZFS was available in read-only mode from the command line, which lacks the possibility to create zpools or write to them. However, the April 2016 release of Ubuntu 16.04 LTS includes CDDL-licensed ZFS on Linux as a kernel module that is maintained as a separate project, outside the Linux kernel mainline, claiming license compatibility. As a workaround, FUSE, a framework that allows file systems to run in userspace, was used on Linux as a separation layer for which the licensing issues are not in effect, although with a set of its own issues that include performance penalty. 2016: Ubuntu 16.04 includes the open-source ZFS file system variant by defaultĪs the FSF claimed a CDDL and GPL legal incompatibility in 2005, Sun's implementation of the ZFS file system wasn't used as a basis for the development of a Linux kernel module, it wasn't merged into the Linux kernel mainline, and Linux distributions did not include it as a precompiled kernel module.New features and fixes are regularly pulled into OpenZFS from illumos and pushed into all ports to other platforms, and vice versa. 2013: Official announcement of the OpenZFS as an umbrella project.2013: The first stable release of ZFS on Linux.2013: Coexisting with the stable version of MacZFS, its prototype generation (known as OpenZFS on OS X or O3X) uses ZFS on Linux as the new upstream codebase.2012: Feature flags were introduced to replace legacy on-disk version numbers, enabling easier distributed evolution of the ZFS on-disk format to support new features.Ports of ZFS to other platforms continued pulling in upstream changes from illumos. 2010: illumos was forked from OpenSolaris as its open-source successor, and continued to develop ZFS in the open.2010: OpenSolaris was discontinued, resulting in the further development of ZFS on Solaris being no longer open-source.2009: Apple's ZFS project closed, and the MacZFS project continued to develop the code.2008: Development of a native ZFS Linux port started, known as ZFS on Linux.2008: A port to FreeBSD was released as part of FreeBSD 7.0. ![]() ![]()
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