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Leonora Tindall
Asked: 2019-11-05 16:14:44 +0800 CST

How can I make ZFS datasets mount automatically on boot?

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I use ZFS to store my data, including configuration files, for my desktop PC, so it's important for my datasets to mount automatically on boot. I couldn't for the life of me figure out how to do this in Ubuntu 19.10.

At first, when I ran zfs list and zpool list, there was no output; it was empty. Then, after figuring out how to import my pools, they still wouldn't mount.

mount systemd zfs 19.10

1 Answers

  1. The correct way to do this is to make sure three unit files are enabled to start on boot:

    • zfs.target, which is the overarching target for all of ZFS
    • zfs-import.service, which imports zpools at boot
    • zfs-mount.service, which mounts all datasets at boot

    These units have dependencies set up correctly, so you can simply run:

    systemctl enable zfs.target zfs-import.service zfs-mount.service

    to ensure they are all turned on. After this, reboot to test; your ZFS datasets should show up.

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