CPU cooler noise

[fontes31]

Hi,

I have a FreeNAS system with Supermicro x11ssh-f, 32 GB samsung ram and the cpu intel xeon E3-1220v5.
I decided to add the cpu cooler noctua nh-u14s. When in bios the cooler fan works normal. But if I am on FreeNAS, I have some noise, like "working normal then 2 seconds noise up and back to normal, next noise up and back to normal, always like this".
Recommended to add the intel cpu cooler?
I have the cooler connected on the cpu fan connector.

 

[boynep]

It is not an issue with the cooler. It is your boards fan control not set up correctly in ipmi. Supermicro boards are known to di that if the fan mode is set up optimal. Set to standard and see if it fixes the problem. Or there are scripts which you can use to get more control.

Sent from my SM-N910G using Tapatalk

 

[fontes31]

It is not an issue with the cooler. It is your boards fan control not set up correctly in ipmi. Supermicro boards are known to di that if the fan mode is set up optimal. Set to standard and see if it fixes the problem. Or there are scripts which you can use to get more control.

Sent from my SM-N910G using Tapatalk

Is on optimal speed, i will change to regular speed.

 

[fontes31]

I have this values with ipmitool:

[root@freenas ~]# ipmitool sensor list all
CPU Temp | 20.000 | degrees C | ok | 0.000 | 0.000 | 0.000 | 95.000 | 100.000 | 100.000
PCH Temp | 30.000 | degrees C | ok | -11.000 | -8.000 | -5.000 | 90.000 | 95.000 | 100.000
System Temp | 22.000 | degrees C | ok | -9.000 | -7.000 | -5.000 | 80.000 | 85.000 | 90.000
Peripheral Temp | 30.000 | degrees C | ok | -9.000 | -7.000 | -5.000 | 80.000 | 85.000 | 90.000
VcpuVRM Temp | 31.000 | degrees C | ok | -9.000 | -7.000 | -5.000 | 95.000 | 100.000 | 105.000
DIMMA1 Temp | na | | na | na | na | na | na | na | na
DIMMA2 Temp | 25.000 | degrees C | ok | 1.000 | 2.000 | 4.000 | 80.000 | 85.000 | 90.000
DIMMB1 Temp | na | | na | na | na | na | na | na | na
DIMMB2 Temp | 24.000 | degrees C | ok | 1.000 | 2.000 | 4.000 | 80.000 | 85.000 | 90.000
FAN1 | na | | na | na | na | na | na | na | na
FAN2 | na | | na | na | na | na | na | na | na
FAN3 | 1400.000 | RPM | ok | 300.000 | 500.000 | 700.000 | 25300.000 | 25400.000 | 25500.000
FAN4 | na | | na | na | na | na | na | na | na
FANA | na | | na | na | na | na | na | na | na
12V | 12.064 | Volts | ok | 10.144 | 10.272 | 10.784 | 12.960 | 13.280 | 13.408
5VCC | 4.948 | Volts | ok | 4.246 | 4.298 | 4.480 | 5.390 | 5.546 | 5.598
3.3VCC | 3.316 | Volts | ok | 2.789 | 2.823 | 2.959 | 3.554 | 3.656 | 3.690
VBAT | 2.972 | Volts | ok | 2.384 | 2.496 | 2.580 | 3.476 | 3.588 | 3.672
VCPU | 1.147 | Volts | ok | 0.076 | 0.076 | 0.076 | 1.516 | 1.516 | 1.516
VDIMMAB | 1.209 | Volts | ok | 0.948 | 0.975 | 1.047 | 1.344 | 1.425 | 1.443
5VSB | 4.922 | Volts | ok | 4.246 | 4.376 | 4.480 | 5.390 | 5.546 | 5.598
3.3VSB | 3.350 | Volts | ok | 2.789 | 2.891 | 2.959 | 3.554 | 3.656 | 3.690
VBMC 1.2V | 1.209 | Volts | ok | 1.020 | 1.047 | 1.092 | 1.344 | 1.371 | 1.398
VPCH 1.0V | 1.000 | Volts | ok | 0.829 | 0.856 | 0.901 | 1.135 | 1.162 | 1.189
Chassis Intru | 0x1 | discrete | 0x0100| na | na | na | na | na | na
[root@freenas ~]#
My cpu cooler fan is the FAN3.

 

[boynep]

Did changing to standard fix the behavior ? The cpu fan you have connected is it pwm fan ?

Sent from my SM-N910G using Tapatalk

 

[Kevin Horton]

You need to adjust the fan low speed thresholds in the IPMI. According to Noctua, that fan has a minimum speed of 300 rpm, ±20%. Your fan seems to be connected to the FAN3 header, and it has the following values for the low speed thresholds:

Lower Non-Recoverable: 300
Lower Critical: 500
Lower Non-Critical: 700

IPMI thinks the fan is stalling if it sees a speed lower than one of those values (I'm not sure if the important one is Lower Critical, or Lower Non-Critical), and it then commands full speed for a few seconds to attempt to get the fan going again.

Try running ipmitool sensor thresh "FAN3" lower 100 200 300

If the problem still occurs, try ipmitool sensor thresh "FAN3" lower 100 100 200

 

[fontes31]

You need to adjust the fan low speed thresholds in the IPMI. According to Noctua, that fan has a minimum speed of 300 rpm, ±20%. Your fan seems to be connected to the FAN3 header, and it has the following values for the low speed thresholds:

Lower Non-Recoverable: 300
Lower Critical: 500
Lower Non-Critical: 700

IPMI thinks the fan is stalling if it sees a speed lower than one of those values (I'm not sure if the important one is Lower Critical, or Lower Non-Critical), and it then commands full speed for a few seconds to attempt to get the fan going again.

Try running ipmitool sensor thresh "FAN3" lower 100 200 300

If the problem still occurs, try ipmitool sensor thresh "FAN3" lower 100 100 200

It worked, thanks a lot, I did the second option, 100, 100, 200. The first worked too, but the second is ok and lower power.


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