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Self hosting is hard. How do you overcome?
(lemy.lol)
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this post was submitted on 21 Jun 2024
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In the US at least, most equipment (unless you get into high-and datacenter stuff) runs on 120V. We also use 240V power, but a 240V connection is actually two 120V phases 180-degrees out of sync. The main feed coming into your home is 240V, so your breaker panel splits the circuits evenly between the two phases. Running dual-phase power to a server rack is as simple as just running two 120V circuits from the panel.
My rack only receives a single 120V circuit, but it's backed up by a dual-conversion UPS and a generator on a transfer switch. That was enough for me. For redundancy, though, dual phases, each with its own UPS, and dual-PSU servers are hard ro beat.
Exactly this. 2 phase into house, batteries on each leg. While it would be exceedingly rare for just one phase to go out... i can in theory weather that storm indefinitely.