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Warning If you update to the latest version, be sure to replace "CPU_TEMPERATURE_TRESHOLD" environment variable with "CPU_TEMPERATURE_THRESHOLD" which was a typo

Dell iDRAC fan controller Docker image

Download Docker image from :

Table of Contents
  1. Container console log example
  2. Supported architectures
  3. Usage
  4. Parameters
  5. Troubleshooting
  6. Contributing

Container console log example

image

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Prerequisites

iDRAC version

This Docker container only works on Dell PowerEdge servers that support IPMI commands, i.e. < iDRAC 9 firmware 3.30.30.30.

To access iDRAC over LAN (not needed in "local" mode) :

  1. Log into your iDRAC web console

001

  1. In the left side menu, expand "iDRAC settings", click "Network" then click "IPMI Settings" link at the top of the web page.

002

  1. Check the "Enable IPMI over LAN" checkbox then click "Apply" button.

003

  1. Test access to IPMI over LAN running the following commands :
apt -y install ipmitool
ipmitool -I lanplus \
  -H <iDRAC IP address> \
  -U <iDRAC username> \
  -P <iDRAC password> \
  sdr elist all

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Supported architectures

This Docker container is currently built and available for the following CPU architectures :

  • AMD64
  • ARM64

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Usage

  1. with local iDRAC:
docker run -d \
  --name Dell_iDRAC_fan_controller \
  --restart=unless-stopped \
  -e IDRAC_HOST=local \
  -e FAN_SPEED=<decimal or hexadecimal fan speed> \
  -e CPU_TEMPERATURE_THRESHOLD=<decimal temperature threshold> \
  -e CHECK_INTERVAL=<seconds between each check> \
  -e DISABLE_THIRD_PARTY_PCIE_CARD_DELL_DEFAULT_COOLING_RESPONSE=<true or false> \
  -e KEEP_THIRD_PARTY_PCIE_CARD_COOLING_RESPONSE_STATE_ON_EXIT=<true or false> \
  --device=/dev/ipmi0:/dev/ipmi0:rw \
  tigerblue77/dell_idrac_fan_controller:latest
  1. with LAN iDRAC:
docker run -d \
  --name Dell_iDRAC_fan_controller \
  --restart=unless-stopped \
  -e IDRAC_HOST=<iDRAC IP address> \
  -e IDRAC_USERNAME=<iDRAC username> \
  -e IDRAC_PASSWORD=<iDRAC password> \
  -e FAN_SPEED=<decimal or hexadecimal fan speed> \
  -e CPU_TEMPERATURE_THRESHOLD=<decimal temperature threshold> \
  -e CHECK_INTERVAL=<seconds between each check> \
  -e DISABLE_THIRD_PARTY_PCIE_CARD_DELL_DEFAULT_COOLING_RESPONSE=<true or false> \
  -e KEEP_THIRD_PARTY_PCIE_CARD_COOLING_RESPONSE_STATE_ON_EXIT=<true or false> \
  tigerblue77/dell_idrac_fan_controller:latest

docker-compose.yml examples:

  1. to use with local iDRAC:
version: '3.8'

services:
  Dell_iDRAC_fan_controller:
    image: tigerblue77/dell_idrac_fan_controller:latest
    container_name: Dell_iDRAC_fan_controller
    restart: unless-stopped
    environment:
      - IDRAC_HOST=local
      - FAN_SPEED=<decimal or hexadecimal fan speed>
      - CPU_TEMPERATURE_THRESHOLD=<decimal temperature threshold>
      - CHECK_INTERVAL=<seconds between each check>
      - DISABLE_THIRD_PARTY_PCIE_CARD_DELL_DEFAULT_COOLING_RESPONSE=<true or false>
      - KEEP_THIRD_PARTY_PCIE_CARD_COOLING_RESPONSE_STATE_ON_EXIT=<true or false>
    devices:
      - /dev/ipmi0:/dev/ipmi0:rw
  1. to use with LAN iDRAC:
version: '3.8'

services:
  Dell_iDRAC_fan_controller:
    image: tigerblue77/dell_idrac_fan_controller:latest
    container_name: Dell_iDRAC_fan_controller
    restart: unless-stopped
    environment:
      - IDRAC_HOST=<iDRAC IP address>
      - IDRAC_USERNAME=<iDRAC username>
      - IDRAC_PASSWORD=<iDRAC password>
      - FAN_SPEED=<decimal or hexadecimal fan speed>
      - CPU_TEMPERATURE_THRESHOLD=<decimal temperature threshold>
      - CHECK_INTERVAL=<seconds between each check>
      - DISABLE_THIRD_PARTY_PCIE_CARD_DELL_DEFAULT_COOLING_RESPONSE=<true or false>
      - KEEP_THIRD_PARTY_PCIE_CARD_COOLING_RESPONSE_STATE_ON_EXIT=<true or false>

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Parameters

All parameters are optional as they have default values (including default iDRAC username and password).

  • IDRAC_HOST parameter can be set to "local" or to your distant iDRAC's IP address. Default value is "local".
  • IDRAC_USERNAME parameter is only necessary if you're adressing a distant iDRAC. Default value is "root".
  • IDRAC_PASSWORD parameter is only necessary if you're adressing a distant iDRAC. Default value is "calvin".
  • FAN_SPEED parameter can be set as a decimal (from 0 to 100%) or hexadecimaladecimal value (from 0x00 to 0x64) you want to set the fans to. Default value is 5(%).
  • CPU_TEMPERATURE_THRESHOLD parameter is the T°junction (junction temperature) threshold beyond which the Dell fan mode defined in your BIOS will become active again (to protect the server hardware against overheat). Default value is 50(°C).
  • CHECK_INTERVAL parameter is the time (in seconds) between each temperature check and potential profile change. Default value is 60(s).
  • DISABLE_THIRD_PARTY_PCIE_CARD_DELL_DEFAULT_COOLING_RESPONSE parameter is a boolean that allows to disable third-party PCIe card Dell default cooling response. Default value is false.
  • KEEP_THIRD_PARTY_PCIE_CARD_COOLING_RESPONSE_STATE_ON_EXIT parameter is a boolean that allows to keep the third-party PCIe card Dell default cooling response state upon exit. Default value is false, so that it resets the third-party PCIe card Dell default cooling response to Dell default.

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Troubleshooting

If your server frequently switches back to the default Dell fan mode:

  1. Check Tcase (case temperature) of your CPU on Intel Ark website and then set CPU_TEMPERATURE_THRESHOLD to a slightly lower value. Example with my CPUs (Intel Xeon E5-2630L v2) : Tcase = 63°C, I set CPU_TEMPERATURE_THRESHOLD to 60(°C).
  2. If it's already good, adapt your FAN_SPEED value to increase the airflow and thus further decrease the temperature of your CPU(s)
  3. If neither increasing the fan speed nor increasing the threshold solves your problem, then it may be time to replace your thermal paste

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Contributing

Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.

If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement". Don't forget to give the project a star! Thanks again!

  1. Fork the Project
  2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
  3. Commit your Changes (git commit -m 'Add some AmazingFeature')
  4. Push to the Branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

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