OpenZFS on OS X

OpenZFS on OS X

OpenZFS on OS X brings OpenZFS features to Apple's OS X.

The installer release of OpenZFS on OS X is intended for people who are comfortable administering ZFS from the Terminal, or who are willing to learn.

Compatibility

macOS 10.8 through macOS 15, on both Intel x64 and Apple Silicon ARM64.

Support and Documentation

Documentation is available on the project wiki.

Support is available through the project's GitHub pages and community channels.

To Use the Official Release

Download the most recent installer and follow the instructions for installing the official release.

To Begin Testing the Most Recent Build

Follow the instructions for installing from source.

Suggested Focus Areas for Testers

• Identifying integration issues with macOS
• Finding incompatibilities with third-party software
• Stress testing
• Security auditing

Notes

Please remember that ZFS is not a substitute for a good backup strategy.

If you have ZEVO or MacZFS installed:

• you must uninstall that software and reboot before installing OpenZFS on OS X
• you must uninstall OpenZFS on OS X if you later choose to revert to ZEVO or MacZFS