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Power efficiency (lemmy.zip)

submitted 2 days ago by jobbies@lemmy.zip to c/selfhosted@lemmy.world

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I'm wondering what folks do to optimise the power efficiency of their Linux servers. I've never really got to the bottom of what is the best way to do this and with the current energy crisis its a pertinent topic.

I'm talking about home servers, so the availability requirements are not the same as in a corporate environment. There might be vast chunks of time during the day or night when they sit idle, and home users are more tolerant of a lag when accessing resources if it means lower energy bills.

Specifically I've been thinking about:

allowing lower power states when idle
spinning-down hdd's when they're not in use
MAYBE letting machines sleep/hibernate
setting schedules of times where you know demand will be low/zero and efficiency can be managed aggressively
any other quick wins I've missed

It would be amazing if there was one tool or one guide that helps with all of that but thats never the case, is it 😅

Thoughts?

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[–] yaroto98@lemmy.world 3 points 2 days ago

When I built my NAS I intentionally bought the latest gen cpu, but kept it in to the 65W series with a GPU chip onboard. It's an AMD Ryzen 5 7600 6-Core @ 3800 MHz. My coral usb does frigate and the integrated graphics chip does jellyfin just fine. I started with ssds, but half of them burned out pretty quick, so I replaced them with spinning rust. But, as-is it can run for an hour on my desktop grade UPS before it shuts down. My proxmox cluster is old laptops that mount an NFS drive from my NAS. So, yes, I took power efficiency into account.