[CentOS] Temperature sensor

Dominik Zyla gavroche at gavroche.pl
Fri Feb 26 18:35:49 UTC 2010

On Fri, Feb 26, 2010 at 12:27:59PM -0600, Les Mikesell wrote:
> On 2/26/2010 12:11 PM, Dominik Zyla wrote:
> > On Fri, Feb 26, 2010 at 09:57:52AM -0800, John R Pierce wrote:
> >> Dominik Zyla wrote:
> >>> But it'll not give information about temperature in server room.
> >>>
> >>
> >> actually, it sorta can.     find the lowest reading sensor on the
> >> system, probably one on the mainboard...    use a manual thermometer to
> >> read the intake air temp and calculate the delta.
> >>
> >> i think you'll find under normal operating conditions that delta is
> >> pretty constant if the server is under a reasonably consistent workload.
> >
> > True.. We're also doing like this in some of server rooms. But sometimes
> > we had strange values. So this sort of stuff can be not good enough. :)
> If you can get graphs from two different pieces of equipment on the same 
> page you can pretty much see the trend.  A single device might have a 
> fan go bad or something - but that should probably be fixed anyway.  On 
> servers that have variable CPU power you might see temperature 
> variations depending on the load.

You have right. While you checking sensors from few machines, you can
see the trend. Gotta think about changing the way of temperature  monitoring 

Dominik Zyla

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