3. Anyone using temperature sensors? (Frank Pikelner)

[Martin, Jeremy]

> Yes! I am using the temptrax temp sensor listed on nagios's home 
> page. We have the 2 port version and it works great, the module 
> works great. It was easy to setup and it's been working reliably 
> for about 4 months now! It's been a life saver because sometimes 
> the a/c unit in the server room would act up on the weekends and 
> no one would know :). 

We have an 8 port one which is working reliably. We're also graphing the
temperatures in Cacti/rrdtool - its fun seeing how the temperature went
up when people were out in the data center working on a server :-)

My only wish for the Temptrax though - a humidity reading too. Our
current workaround -- we have a few of the inputs running to our Liebert
A/Cs so if they are having any alarms go off it trips the Temptrax wire
and the value for that port goes from -99 to 255. The Nagios plugin
normally gives a warning that the wire isn't connected to anything if
the value is -99 but it was easy to modify the source code to disable
that behavior. So our A/Cs are set to a decent high/low humidity warning
so we get paged if it goes off.

Jeremy



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