Fault handling(Threshold exceeds/low) in Fan and NIC sensors

Ed Tanous ed at tanous.net
Tue Nov 17 02:59:02 AEDT 2020


On Mon, Nov 16, 2020 at 5:05 AM Kumar Thangavel <thangavel.k at hcl.com> wrote:
>
> Classification: Internal
>
> Hi Ed,
>
>         In short, Our requirement is to take the actions when the fan fails. That action is platform specific.
>
>         Fan failure :  This is based on Fan sensors. If fan sensor's tach values is less than 33%, will consider as a fan failure. So will take the actions to reduce the heat production in the system.

dbus-sensors and phosphor-pid-control already have mechanisms for
handling fan failure in these ways.  Take a look at the existing
config files, and they'll guide you on what you need to do next.

>                                 So that,  hosts, NIC and other power consuming modules.
>
>         Dbus-sensor's already handles the threshold masking. We just use that threshold masking to take the platform specific actions.
>
>         Please let us know if any clarifications needed.
>
> Thanks,
> Kumar.

Ps, Please don't toppost.


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