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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