Re: [Freeipmi-devel] Re: ipmi sensor thresholds

[Robin Goldstone]

On Tuesday 10 August 2004 10:04 am, Albert Chu wrote:
> What about:
>
> Record ID: 33
> Sensor type: F38 Tach Fan 1 (Fan)
> Sensor number: #64
> Event/Reading type code: 01h
> Lower non-recoverable threshold: 0.00 RPM
> Upper non-recoverable threshold: 0.00 RPM
> Lower Critical threshold: 2100.00 RPM
> Upper Critical threshold: 0.00 RPM
> Lower non-critical threshold: 0.00 RPM
> Upper non-critical threshold: 0.00 RPM
> Sensor min. reading: 0.00 RPM
> Sensor max. reading: 5100.00 RPM
> Normal min.: 2260.00 RPM
> Nominal reading: 2600.00 RPM
> Normal max: 2880.00 RPM
> Sensor reading: 2680.00 RPM
> Sensor status: OK
>
> Where there is no upper anything except for normal max.  So are the only
> possible states OK and Non-Recoverable when RPM speeds go too fast?

FYI, I received the following from Intel:
> The comment about undefined critical thresholds should not be a concern.  I
> reviewed the SDR and the only sensors w/o a defined threshold are the upper
> threshold for the fans.  This is logical since there is no reason to worry
> about fans running too fast.  All other critical thresholds are defined.

I am still a bit confused since in my mind an "undefined" threshold is not the 
same as one with value of 0.00.  Is the SDR value truly 0.00 or is it 
undefined and the sensor utility just reports 0.00 in that case?  

-Robin