Cool runnings: IBM's recipe for a happy datacentre, in pictures
Summary: How do you make your datacentre run better, and save money? At IBM's research labs and facilities in upstate New York, three ideas are uppermost on people's minds: energy efficiency, monitoring, and utilisation.
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Cabinets are fitted with rear-door heat exchangers, which suck in the hot exhaust air of the servers and blast it out again as cold air. The technology - the IP is owned by IBM - can take away up to 60 percent of the heat in a full rack, the company claims.
The result of these changes is a datacentre PUE (power usage effectiveness) of 1.27, which generated a return on IBM's investment within 10 months.
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