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Thomas Aichinger
Asked: 2022-01-08 11:58:22 +0800 CST

root disk formatted with ZFS

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I am trying to install Ubuntu Server 20.04 or 21.10 with ZFS on root disk. I can't find an option to use ZFS (just xfs and btrfs) in the installer.

Is there a way to boot from a ZFS formatted disk?

boot

1 Answers

  1. Since Eoan Ermine (Ubuntu 19.10), Ubuntu installer for desktop only can use ZFS as root file-system but is still experimental.

    The current LTS, Focal Fossa (Ubuntu 20.04) provides only a mono-disk installation, I do not know the difference with a server installer, but this is the only Ubuntu way to install on a root ZFS.

    However, OpenZfs provide a way to install Ubuntu on ZFS root:

    https://openzfs.github.io/openzfs-docs/Getting%20Started/Ubuntu/index.html#root-on-zfs

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