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“Project Mini Rack” wants make your mini-homelab a reality [arstechnica.com]:

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I have one standard rack [wikipedia.org] appliance in my home: a Unifi Dream Machine Pro. It is mounted horizontally in a coat closet, putting it close to my home's fiber input and also incidentally keeping our jackets gently warm. I can fit juuuuuust about one more standard rack-size device in there (maybe a rack-mount UPS?) before I have to choose between outer-wear and overly ambitious networking. Were I starting over, I might think a bit more about scalability.

Along those lines, technologist and YouTube maker Jeff Geerling has launched the Project Mini Rack [jeffgeerling.com] page for folks who have similarly server-sized ambitions, coupled with a lack of square footage. "I mean, if you want to cosplay as a sysadmin, you need a rack, right?" Geerling says in the announcement video [youtube.com]. It's a keen launching point for a new "homelab" or "minilab" project, also known as bringing the networking and hardware challenges of a commercial network deployment into your home for "fun."

It's a good time fall into the compact computing space. As Geerling notes in a blog post [jeffgeerling.com] announcing the project, there's a whole lot of small-form-factor PCs on the market. You can couple them with single-board computers, power-over-Ethernet devices, and network-accessible solid state drives that allow you to stuff a whole lab into a cube you can carry around in your hands.

Geerling's guide aims to save everybody a whole lot of Reddit reading, question-asking, and blind-faith-buying as they get started or seek to expand their rack. Most 10-inch, or "half-width" racks (despite the "standard" rack being 19 inches wide) have only a few major manufacturers, and their availability varies by country. Each type of device that fits into the mini rack—power distribution units (PDUs), uninterruptible power supplies (UPS), HDD-sized shelves—gets linked by Geerling, along with important specs. There are also links to 3D-printable rack systems, cable management ideas (harder on a half-size setup than full), and showcases of mini racks of note.

Geerling's page acknowledges the collective efforts of communities like Reddit's /r/minilab [reddit.com] have put into the burgeoning half-size market, long before his project. But seeking a central compendium, Geerling compiles gear, tips, and compatibility advice for mini-builds, along with ongoing discussions about the merits of individual components and broader build-out strategies.

"The community feedback around Project Mini Rack has been great so far," Geerling wrote in an email to Ars. The 3D-printed links and suggestions have been showing up steadily since he started committing to the page in earnest in mid-January. He's particularly excited to see that a "LACK rack [boingboing.net]," or using IKEA shelving for budget rack mounting, can be downscaled to mini-rack size with an Edet cabinet [github.com]. "It's like someone at IKEA is a Homelab enthusiast," says Geerling.

This post was updated to better define homelabs and minilabs.

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