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renedis / ubnt-auto-fan-speed

Automatic fan speed setting on UDM-PRO 1.8.5+ firmware
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Support for UniFi OS - Dream Machine 2.4.23 #6

Closed mojo333 closed 1 year ago

mojo333 commented 1 year ago

Any idea on how to get this working again for the latest UDM Pro version 2.4.23 which has moved to the same code base as the UDM SE?

The process S04ubnt-fan-speed no longer exists but something must be controlling the fans, as I removed the kill process for S04ubnt-fan-speed in the script but unfortunately the files being modified in the script seemed to be locked. I get

root@UDMP:/data/on_boot.d# ./20-auto-fan-speed.sh
sh: echo: I/O error
sh: echo: I/O error

The fans are running loud again so I'm very keen to sort this out.

jmissig commented 1 year ago

The fans are running loud again so I'm very keen to sort this out.

This was going to be my first question — if Ubiquiti finally enabled auto fan speeds. Gutted to learn we’re going to have to work around this yet again.

Following this thread to learn more before I upgrade!

paulschwahn commented 1 year ago

At least for now you could set the fan speed manually without fan curves:

echo 1 > /sys/class/hwmon/hwmon0/device/pwm1_enable echo 1 > /sys/class/hwmon/hwmon0/device/pwm2_enable echo 25 > /sys/class/hwmon/hwmon0/device/pwm1 echo 25 > /sys/class/hwmon/hwmon0/device/pwm2

mojo333 commented 1 year ago

This seemed to do the trick for now, thanks. At least the annoying noise is gone.

I just halved the current values I had so ended up with this which is now a lot quieter and tolerable:

echo 77 > /sys/class/hwmon/hwmon0/device/pwm1
echo 45 > /sys/class/hwmon/hwmon0/device/pwm2
cdalvaro commented 1 year ago

Any update on this issue??

renedis commented 1 year ago

Any update on this issue??

Updated 2 days ago to 2.4.27.. trying to figure this thing out.

renedis commented 1 year ago

Solved by installing fancontrol. Working now on UDM-Pro with firmware 2.4.27.

Not tested on UDM-SE, but i can help out if someone gives me SSH access on a UDM-SE.

Made a pre-config and instructions for the UDM-Pro: https://github.com/renedis/ubnt-auto-fan-speed/tree/main/on_boot.d

cdalvaro commented 1 year ago

Great work! Thank you very much!

jmissig commented 1 year ago

Wow thank you so much for continued effort on this. It’s the only thing I use on_boot.d for.