[Bioclusters] How do people deal with temperature excursions (A/C failures)?

Eugen Leitl eugen at leitl.org
Mon Mar 14 03:04:39 EST 2005

On Sun, Mar 13, 2005 at 01:03:27PM -0400, George White wrote:

> Our lab has a homebrew ROCKS cluster in small computer room that relies on
> a single air conditioner. My experience has been that the poweroff(8)
> command can't be trusted, so you often end up having to turn off the power
> manually.  We had hardware damage when the A/C tripped the circuit breaker
> recently.  Now we want to add another cluster and a file server so I'm
> anxious to have a reliable way to shut systems down when they get too

There are Ethernet thermometers which dump their temperature as XML.
I would parse that input by program, and kill power by smart PDUs (e.g. from

> warm.  How do other labs deal with this problem?

Eugen* Leitl <a href="http://leitl.org">leitl</a>
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