IPMI Fan Control Daemon

This script controls IPMI compatible server's fan speeds in response to CPU Temperatures provided by lm-sensors. This script has been tested on a Dell PowerEdge R210 II in a homelab environment, but should work on any IPMI compatible server.

NOTE:

The script puts your server into "Full Fan Speed Mode", and then modifies what "Full Speed" means, You have to manually use IPMI to set it to e.g. "Optimal" when you're not using the script.

NOTE:

You use this script at your own risk, and no warranty is provided. Do not use in produciton environments.

Maintainer: Brian Wilson [email protected]
Original Author: Layla Mah [email protected]
Original Version: https://github.com/missmah/ipmi_tools

What's new?

The original script provided a "step" approach where fans would take large "steps" depending on the temps. In this version, scalar equations are generated to provide an easy (and quiet) slope to follow to the next step. These equations are simple Y=mx+b linear slopes that effectivly provide a fan "curve" based on the entries in the %cpu_temp_to_fan_speed hash table.

Installation and Usage

# Install dependencies (Debian, your pkg names may be different)
apt install lm-sensors ipmitool

# Verify IPMI modules are loaded
lsmod | grep -i ipmi

# Install
cp ipmi_fancontrol-ng /usr/bin/
cp ipmi_fancontrol-ng.service /usr/lib/systemd/system/
chmod +x /usr/bin/ipmi_fancontrol-ng

# Enable on boot and start
systemctl enable ipmi_fancontrol-ng
systemctl start ipmi_fancontrol-ng

InfluxDB & Telegraf

Metrics are output to the file /tmp/fan_speed_telegraf by default and can be input into InfluxDB with the following Telegraf config block:

[[inputs.exec]]
  commands = [
    "/usr/bin/cat /tmp/fan_speed_telegraf"
  ]

  timeout = "5s"
  data_format = "influx"

Metrics Available

Fan Speed %
Fan Speed HEX

More documentation is planned, however I am available to answer basic configuration questions in the mean time.

Script fails to run - Cannot set fan speed to FULL - Cannot read temperatures.

I'm trying to get this set up to control fans on a debian server, running on the host, but I'm not having much luck.
I've changed the following from the file that ships with the repo:

$cpu_temp_to_fan_speed{75} = 0x64;
$cpu_temp_to_fan_speed{70} = 0x56;
$cpu_temp_to_fan_speed{60} = 0x32;
$cpu_temp_to_fan_speed{55} = 0x19;
$cpu_temp_to_fan_speed{50} = 0x0F;
$cpu_temp_to_fan_speed{45} = 0x06;
$cpu_temp_to_fan_speed{35} = 0x03;

When running the script I get an error about not being able to send the ipmi command, and also an error about not getting the temperatures. For reference, the command I've been using to control my fans previous to trying to implement this was ipmitool raw 0x30 0x70 0x66 0x01 0x00 0x03. See below for sample output of your script:

/usr/bin/ipmi_fancontrol-ng 
Setting Fan mode to FULL SPEED.
Unable to send RAW command (channel=0x0 netfn=0x30 lun=0x0 cmd=0x30 rsp=0xcc): Invalid data field in request

=================================================================
Calling UpdateFanSpeed()...
=================================================================
ERROR: Can't get value of subfeature temp3_min: I/O error
ERROR: Can't get value of subfeature temp3_max: I/O error
ERROR: Can't get value of subfeature temp4_min: I/O error
ERROR: Can't get value of subfeature temp4_max: I/O error
ERROR: Can't get value of subfeature temp5_min: I/O error
ERROR: Can't get value of subfeature temp5_max: I/O error
ERROR: Can't get value of subfeature temp6_min: I/O error
ERROR: Can't get value of subfeature temp6_max: I/O error
ERROR: Can't get value of subfeature temp7_min: I/O error
ERROR: Can't get value of subfeature temp7_max: I/O error
ERROR: Can't get value of subfeature temp3_min: I/O error
ERROR: Can't get value of subfeature temp3_max: I/O error
ERROR: Can't get value of subfeature temp4_min: I/O error
ERROR: Can't get value of subfeature temp4_max: I/O error
ERROR: Can't get value of subfeature temp5_min: I/O error
ERROR: Can't get value of subfeature temp5_max: I/O error
ERROR: Can't get value of subfeature temp6_min: I/O error
ERROR: Can't get value of subfeature temp6_max: I/O error
ERROR: Can't get value of subfeature temp7_min: I/O error
ERROR: Can't get value of subfeature temp7_max: I/O error
Maximum CPU Temperature Seen: 0 degrees C.
Maximum GPU Temperature Seen: 0 degrees C.
Current Minimum Fan Speed: 30000 RPM
Current Maximum Fan Speed: 0 RPM
Current Fan Duty Cycle: 0%
Desired Fan Duty Cycle: -8%
=================================================================
Update Complete - going to sleep for 5 seconds...
=================================================================
^C

Here is what I get from ipmitool sensor:

ipmitool sensor
CPU Temp         | 31.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 90.000    | 95.000    | 95.000    
System Temp      | 24.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 80.000    | 85.000    | 90.000    
Peripheral Temp  | 38.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 80.000    | 85.000    | 90.000    
M2NVMeSSD Temp1  | na         |            | na    | na        | na        | na        | na        | na        | na        
M2NVMeSSD Temp2  | na         |            | na    | na        | na        | na        | na        | na        | na        
MB_10G_LAN Temp  | 64.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 95.000    | 100.000   | 105.000   
VRMCpu Temp      | 23.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 95.000    | 100.000   | 105.000   
VRMSoc Temp      | 31.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 95.000    | 100.000   | 105.000   
VRMABCD Temp     | 26.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 95.000    | 100.000   | 105.000   
VRMEFGH Temp     | 23.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 95.000    | 100.000   | 105.000   
DIMMA1 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
DIMMA2 Temp      | 25.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 80.000    | 85.000    | 90.000    
DIMMB1 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
DIMMB2 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
DIMMC1 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
DIMMC2 Temp      | 26.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 80.000    | 85.000    | 90.000    
DIMMD1 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
DIMMD2 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
DIMME1 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
DIMME2 Temp      | 23.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 80.000    | 85.000    | 90.000    
DIMMF1 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
DIMMF2 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
DIMMG1 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
DIMMG2 Temp      | 22.000     | degrees C  | ok    | 5.000     | 5.000     | 10.000    | 80.000    | 85.000    | 90.000    
DIMMH1 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
DIMMH2 Temp      | na         |            | na    | na        | na        | na        | na        | na        | na        
FAN1             | na         |            | na    | na        | na        | na        | na        | na        | na        
FAN2             | na         |            | na    | na        | na        | na        | na        | na        | na        
FAN3             | 2200.000   | RPM        | ok    | 300.000   | 500.000   | 700.000   | 25300.000 | 25400.000 | 25500.000 
FAN4             | 2200.000   | RPM        | ok    | 300.000   | 500.000   | 700.000   | 25300.000 | 25400.000 | 25500.000 
FAN5             | 2200.000   | RPM        | ok    | 300.000   | 500.000   | 700.000   | 25300.000 | 25400.000 | 25500.000 
FAN6             | na         |            | na    | na        | na        | na        | na        | na        | na        
12V              | 12.112     | Volts      | ok    | 9.680     | 9.936     | 10.704    | 13.712    | 14.480    | 14.736    
5VCC             | 5.050      | Volts      | ok    | 3.940     | 4.030     | 4.360     | 5.590     | 5.920     | 6.010     
3.3VCC           | 3.310      | Volts      | ok    | 2.613     | 2.681     | 2.885     | 3.718     | 3.922     | 3.990     
VBAT             | 0x4        | discrete   | 0x04ff| na        | na        | na        | na        | na        | na        
VDDCR            | 0.967      | Volts      | ok    | 0.400     | 0.499     | 0.607     | 1.570     | 1.732     | 1.804     
VMEMABCD         | 1.243      | Volts      | ok    | 0.979     | 1.003     | 1.081     | 1.387     | 1.465     | 1.489     
VMEMEFGH         | 1.256      | Volts      | ok    | 0.976     | 0.997     | 1.074     | 1.389     | 1.466     | 1.487     
VDD_5_DUAL       | 5.159      | Volts      | ok    | 4.019     | 4.139     | 4.439     | 5.729     | 6.029     | 6.149     
VDD_33_DUAL      | 3.293      | Volts      | ok    | 2.613     | 2.681     | 2.885     | 3.718     | 3.922     | 3.990     
SOCRUN           | 0.834      | Volts      | ok    | 0.295     | 0.498     | 0.631     | 1.065     | 1.142     | 1.338     
SOCDUAL          | 0.893      | Volts      | ok    | 0.711     | 0.725     | 0.781     | 1.012     | 1.068     | 1.082     
Chassis Intru    | 0x0        | discrete   | 0x0000| na        | na        | na        | na        | na        | na        
PS1 Status       | 0x1        | discrete   | 0x0100| na        | na        | na        | na        | na        | na        
PS2 Status       | 0x1        | discrete   | 0x0100| na        | na        | na        | na        | na        | na

My system is a Supermicro X11 - Supermicro AS-2113S-WTRT

drspeedy / ipmi_fancontrol-ng Goto Github PK

ipmi_fancontrol-ng's Introduction

IPMI Fan Control Daemon

NOTE:

NOTE:

What's new?

Installation and Usage

InfluxDB & Telegraf

Metrics Available

ipmi_fancontrol-ng's People

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ipmi_fancontrol-ng's Issues

Script fails to run - Cannot set fan speed to FULL - Cannot read temperatures.

Fan Speeds Inaccurate

how to adjust target maximum temperature

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