Release

OpenZFS is released under a CDDL license. For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197

Supported Kernels and Distributions

Linux

Given the wide variety of Linux environments, we prioritize development and testing on stable, supported kernels and distributions.

Kernel (kernel.org)

All longterm kernels from kernel.org are supported. stable kernels are usually supported in the next OpenZFS release.

Supported longterm kernels: 6.18, 6.12, 6.6, 6.1, 5.15, 5.10.

Red Hat Enterprise Linux (RHEL)

All RHEL (and compatible systems: AlmaLinux OS, Rocky Linux, etc) on the full or maintenance support tracks are supported.

Supported RHEL releases: 8.10, 9.7, 10.1.

Ubuntu

All Ubuntu LTS releases are supported.

Supported Ubuntu releases: 26.04 “Resolute”, 24.04 “Noble”, 22.04 “Jammy”.

Debian

All Debian stable and LTS releases are supported.

Supported Debian releases: 13 “Trixie”, 12 “Bookworm”, 11 “Bullseye”.

Other Distributions

Generally, if a distribution is following an LTS kernel, it should work well with OpenZFS.

FreeBSD

All FreeBSD releases receiving security support are supported by OpenZFS.

Supported FreeBSD releases: 15.1, 14.4.