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Forum Discussion
ReadyNas 214 new system fan / fan control
The fan in my RN214 is too lound once it gets going, so I took a chance at replacing it with a Noctua NF-A9. It usually works fine, the resported RPM in the dashboard is typically a bit lower than t...
aks-2 wrote:
options for finer control over the fan speed (minimum voltage setting)?
Not something I've ever played with, so you are of course on your own.
That said,
ls -all /etc/sensors.dwill show you what conf file your system is using.
On my RN526 it shows
root@NAS:~# ls -all /etc/sensors.d
total 4
drwxr-xr-x 1 root root 46 Jul 28 07:04 .
drwxr-xr-x 1 root root 2800 Jul 20 09:18 ..
-rw-r--r-- 1 root root 0 Apr 23 2012 .placeholder
lrwxrwxrwx 1 root root 33 Jul 28 07:04 system.conf -> /etc/frontview/sensors/RN526.conf
There should be a fan minimum speed setting in there.
root@NAS:~# cat /etc/frontview/sensors/RN526.conf
chip "coretemp-*"
label temp1 "CPU"
compute temp1 @%35, @%35
ignore temp2
ignore temp3
ignore temp4
ignore temp5
chip "it8732-*"
label in0 Vcore
set in0_min 0
set in0_max 10
ignore in0
label in1 V1_2
set in1_min 1.08
set in1_max 1.32
ignore in1
label in2 V3_3
compute in2 @*1.649, @/1.649
set in2_min 2.97
set in2_max 3.63
ignore in2
label in3 V5_0
compute in3 @*2.74, @/2.74
set in3_min 4.7
set in3_max 5.3
label in4 "V+12"
compute in4 @*6.6, @/6.6
set in4_min 10.8
set in4_max 13.2
ignore in5
ignore in6
ignore in7
ignore in8
label fan1 "System"
set fan1_min 400
ignore temp1
ignore temp2
label temp3 "System"
set temp3_min 1
set temp3_max 80
ignore intrusion0
One rating you hardly ever see for fans is the "stall speed". That's the speed below which the fan cannot go, so it will stop. And it can be important when swapping out a fan. Others in the forum (not with a 214 I can recall) have had similar issues with Noctua fans, especially if you've used the "speed reducer" (which lowers the supply voltage). Typically, just slowly stepping up the voltage won't kick it on until it gets very high. So switching to "cool" when it's already stopped isn't going to fix it. But keeping it on "cool" permanently may (though that may defeat your efforts to keep it quiet).
Editing the .conf file may or may not help. I've found it to work with some parameters, but some seem to be overridden by the ReadyNAS fan control. Interestingly, there does not seem to be an RN214.conf in /etc/frontview/sensors, so you'll have to do as StephenB did and see where /etc/sensors.d/system.conf points.
Thanks, I did look at the sensors.d, in the RN214 it uses RN204.conf:
/etc/frontview/sensors# cat RN204.conf chip "g762-*" label fan1 "System" chip "al_thermal-virtual-0" label temp1 CPU compute temp1 @*1000, @/1000Which I can't really understand đ?
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