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Does the Ubuntu 16.04 droplet use a ZFS root?

Posted August 2, 2016 3.9k views
Server OptimizationSystem ToolsUbuntu 16.04

I’m looking at deploying a new Ubuntu 16.04 LTS droplet, but before I do that, I’d really like to know if it is going to be a ZFS-based root. I’d prefer the answer to be yes and/or select-able at install. Thanks!

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allenwittenauer
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3 answers
ioanmoldovan199 August 3, 2016

No, it uses ext4
(checked using lsblk -f on my Ubuntu 16.04.1 droplet)
And no, I don’t think it’s selectable at install

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florianbeer September 25, 2016

“…note that ZFS is only supported for data storage, not the root filesystem.”
via: https://wiki.ubuntu.com/Kernel/Reference/ZFS

I guess you could have an ext4 root disk for you OS and use DO’s storage product as a zfs pool. Although I’m not sure if that would make much sense since block storage is probably already highly redundant etc.

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florianbeer September 25, 2016

Actually it seems this is entirely possible and makes sense: https://twitter.com/benr/status/768852044186685440

Ben Rockwood should know what he’s talking about.

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