How to control FAN speed in Nodegrid Services Router

How to control FAN speed in Nodegrid Services Router

Nodegrid Services Router is a modular open platform appliance.
NSR unit has air exhaust or air intake fans ( swappable, front-to-back or back-to-front) to cool down the device. Fans will be at the back side (back panel).

Units are actively cooled by fans, these units must be properly mounted into the rack, to ensure that the fans blow into the correct direction.

if there is a need to change the speed of fans for some reason, one can control the fan speed in NSR.

Configuration via CLI:

1. Log in to NSR as root
2. type,
    hwec_cmds --help

    options for the fans can be seen:

    -F    -FAN read
    -Ft<Sys1><Sys2><CPU>     -FAN set

3. to read current RPM of the fans type,

    hwec_cmds -F

 4. one can set the fans at specific speed. For an example,

    hwec_cmds -Ft 30 30 90

Note- CPU fan is not the noise ones, so keeping at 90% is ok

  5. one can check again the current RPM to see the changes made,

    hwec_cmds -F

To check the speed in WebUI

1. Go to Tracking and then to HW monitor
    it displays Nodegrid system information.
2. Go to Thermal
    It displays the current CPU temperature, system temperature as well as FAN speeds.


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