UPS recommendations

Walter B. Ligon III walt at
Thu Nov 14 06:18:45 PST 2002


Actually, I'd recommend Triplite over APC.  We did APC for our first cluster
and ran into some very poorly made equipment - cost us $40,000.  Broke
because of a power outage (!!!) and then they wouldn't make it right for us.

Anyone need an anchor for a very large boat?


> Thanks for the replies so far (to the list, and by e-mail).  APC is
> what most recommend, e.g. the Smart-UPS 3000VA along with the
> environmental card.  
> With this set up, can the UPS be told to cut the power if the
> temperature goes over a critical value?  This would be something that
> would happen as a last resort, if the monitoring software somehow
> failed to bring down the machine.
> As for monitoring software, some people have mentioned powerchute,
> and others the opensource apcupsd.  The former is said to be able
> to get environmental information.  Does anyone know if apcupsd is
> able to do this too?
> Finally, is it easy to set either of these up with three UPS's (one on
> each circuit), but only one environmental card?  The monitoring
> software on two of the machines would then have to get the
> environmental information from the third.
> Thanks,
> Dan
> -- 
> Dan Christensen
> jdc at
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Dr. Walter B. Ligon III
Associate Professor
ECE Department
Clemson University

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