https://arstechnica.com/information-tec ... installer/
Yesterday brought exciting news on the ZFS and Ubuntu fronts—experimental ZFS root support in the installer for Ubuntu's upcoming interim release, Eoan Ermine. The feature appeared in the 2019-10-09 daily build of Eoan—it's not in the regular beta release and, in fact, wasn't even in the "current daily" when we first went to download it. It's that new! (Readers wanting to play with the new functionality can find it in today's daily build, available here : http://cdimage.ubuntu.com/daily-live/current/)
If you're new to the ZFS hype train, you might wonder why a new filesystem option in an OS installer is a big deal. So here's a quick explanation: ZFS is a copy-on-write filesystem, which can take atomic snapshots of entire filesystems. This looks like sheer magic if you're not used to it—a snapshot of a 10TB filesystem can be taken instantly without interrupting any system process in the slightest. Once the snapshot is taken, it's an immutable record of the exact, block-for-block condition of the filesystem at the moment in time the snapshot was taken.
Ubuntu’s new experimental ZFS installer
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