I have one as well, mothballed, which is why the article caught my attention. Then I saw all the mention of Cloudflare and thought: oh fuck, so it needs a wheelchair with a mouth joystick, in effect.
What originally attracted me was running a full-blown ZFS, which was too license encumbered to be fully featured in linux or bsd, IIRC. I never got around to doing much with it. And now I wonder if ZFS is finally fully liberated on a FOSS platform.