Saving Energy: Home Server That Automatically Suspends to RAM and Wakes Up Again

Post by justsomehnguy » Wed, Feb 15, 2023, 1:43 AM UTC

Dalewyn wrote: post #15

deadbeeves wrote: post #8

>Why isn't this the default (or at least a configuration option)? Because 1) you still need a second machine to wait for incoming requests, 2) in a server there's no general way to check if the server is serving requests or not. Plex happened to provide an API that specifically does what you needed, but you had to resort to a bit of a hack for Time Machine. This is unlike a desktop context, where you can check if the…

It's also worth mentioning that, by his own admission, OP only managed to save less than 2 euro cents per day (60 / 3360). Maybe he has different ideas, and that's perfectly fine, but personally I value reliability and uptime far more than 2 cents. EDIT: I failed at math. See below comments. :V

Post by sokoloff » Wed, Feb 15, 2023, 1:45 AM UTC

Dalewyn wrote: post #15

deadbeeves wrote: post #8

>Why isn't this the default (or at least a configuration option)? Because 1) you still need a second machine to wait for incoming requests, 2) in a server there's no general way to check if the server is serving requests or not. Plex happened to provide an API that specifically does what you needed, but you had to resort to a bit of a hack for Time Machine. This is unlike a desktop context, where you can check if the…

It's also worth mentioning that, by his own admission, OP only managed to save less than 2 euro cents per day (60 / 3360). Maybe he has different ideas, and that's perfectly fine, but personally I value reliability and uptime far more than 2 cents. EDIT: I failed at math. See below comments. :V

Post by taspeotis » Wed, Feb 15, 2023, 1:47 AM UTC

metadat wrote: post #23

€0.49 / kWh is an insanely high price for electricity. Here in the US in Cali, $0.32 / kWh is considered a steep price. I've heard the price in Oregon is $̶0̶.̶0̶2̶ ̶/̶ ̶k̶W̶h̶ $0.20 / kWh. What gives.. why can't electricity be delivered less expensively / more economically in Germany? Edit: Thanks for the corrections regarding Oregon, makes me feel a little better about the situations elsewhere. :)

Post by bpye » Wed, Feb 15, 2023, 1:47 AM UTC

paranoidrobot wrote: post #6

Interesting solution. I wonder if you could make the 'wake up' a bit more advanced. Run tcpdump or something similar on the Pi, with a filter set for inbound packets to the media server on ports that Plex or Time Machine uses. If it sees those packets, send the WoL magic packet. This might not work if your switch does proper port isolation - but you could perhaps add port mirroring or something like that.

Post by LinuxBender » Wed, Feb 15, 2023, 1:50 AM UTC

metadat wrote: post #23

€0.49 / kWh is an insanely high price for electricity. Here in the US in Cali, $0.32 / kWh is considered a steep price. I've heard the price in Oregon is $̶0̶.̶0̶2̶ ̶/̶ ̶k̶W̶h̶ $0.20 / kWh. What gives.. why can't electricity be delivered less expensively / more economically in Germany? Edit: Thanks for the corrections regarding Oregon, makes me feel a little better about the situations elsewhere. :)