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sevisehda: Unless your over curious don't bother. Keep in mind that if the rad should fail the water will slowly increase in temp. There are plenty of hardpoint to add a thermal probe. If I were to put a probe anywhere it would be on the top of the CPU cooler
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This is an interesting approach, I had thought of doing temperature based alarming, but thought flow based would be better (plus it gives me an excuse to get a flowmeter
) My reasoning was that I wanted as much of an early failure warning as possible, so that I would have time to do a graceful shutdown as opposed to having to slam the power.
You seem to at least imply that there would be a slow enough rise to allow for a graceful shutdown regardless of failure mode. Assuming the pump does a total crapout, do you know if there are any kind of numbers as to how long from failure to melt down?
As a second thought - In a dual CPU setup, would it be necessary to put failure detection on BOTH CPU's? Or would doing one be enough on the theory that the temperature is going to go up at about the same rate on both?
Gooserider