Upgraded my #mastodon instance to 3.4.0, had to manually apply https://github.com/tootsuite/mastodon/issues/15016 in the docker release though..
Now i'm getting this, makes more sense now
https://openzfs.github.io/openzfs-docs/Getting%20Started/Ubuntu/Ubuntu%2018.04%20Root%20on%20ZFS.html#troubleshooting was just useful to me to fix grub on my zfs node...
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