将在ZFS上安装了ROOT分区的Ubuntu 18.04升级到20.04是否安全?

When installing my Ubuntu 18.04 LTS I followed this OpenZFS guide https://github.com/openzfs/zfs/wiki/Ubuntu-18.04-Root-on-ZFS to install root on ZFS. All went well and my server has been running this setup for over a year (or maybe two :) ). During this time Ubuntu managed to add their support for root on ZFS. Now, when 20.04 LTS is out, I'm wondering is it safe for me to the upgrade? Is my ZFS root compatible with the one that new Ubuntu supports?

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