Demand based switching with RHEL4 on PE 1850 and 1950 servers

Kuba Ober kuba at
Tue Apr 10 05:38:29 CDT 2007

> a set of heuristics to stop nodes being powered on and off too
> frequently would be nice too. presumably this sort of cycling is bad for
> the hardware ????

Yeah, especially on the recent hardware. My 2850 does destructive fracture 
testing on the fan blades every time you turn it on: the fans will go full 
tilt for a few seconds. If anything is cracked, you'll have a loose blade 
somewhere, and a badly vibrating fan.

Cheers, Kuba

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