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What's your server wattage? (lemmy.world)

submitted 5 months ago by johnnixon@lemmy.world to c/selfhosted@lemmy.world

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I'm in the process of wiring a home before moving in and getting excited about running 10g from my server to the computer. Then I see 25g gear isn't that much more expensive so I might was well run at least one fiber line. But what kind of three node ceph monster will it take to make use of any of this bandwidth (plus run all my Proxmox VMs and LXCs in HA) and how much heat will I have to deal with. What's your experience with high speed homelab NAS builds and the electric bill shock that comes later? Epyc 7002 series looks perfect but seems to idle high.

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[–] Saik0Shinigami@lemmy.saik0.com 8 points 5 months ago* (last edited 5 months ago) (5 children)

5 node proxmox cluster (each node on 40gbps networking[yes ceph...], ~80TB of SSD storage, 180cores, ~630GB of ram total)
1 slow storage node (~400TB)
2x opnsense servers in HA
2x icx7750s
2x icx7450s

PoE to all the things... and 8gbps internet.

Usually run ~15-17amps. So about 2000 watts. It's my baby datacenter.

Sometime this month I'll be installing 25000kwh solar system on my roof and batteries.

As far as heat goes... It's in the garage with an insulated door, heat pump water heater, and there's a tripplite ac unit in the bottom of the rack. The waste air(from the a/c) exhausts outside through a direct vent in the wall. The garage is downright tolerable to me for extended periods of time. The servers don't complain at all.

Reading about all you guys being under 200w or whatever makes me wonder if it's worth it. Then I realize that the cost to do even a 1/4 of what I do in the cloud is more expensive than buying my solar.

Power costs for the rack is about $100-120 a month. If it wasn't for solar.

Edit: 75 LXC containers, 22VMs.

[–] MangoPenguin@lemmy.blahaj.zone 3 points 5 months ago

Damn that's a setup alright!

If you're making use of the hardware it's well worth it over anything cloud based for sure.

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