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Green IT News Roundup – Tuesday, October 13

October 13, 2009 by Pedro Hernandez Leave a Comment

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Sizing computer room air conditioners for data center energy efficiency – SearchDataCenter.com

Reheat was the norm for years, and it’s the biggest energy waster of all. The CRAC over-cools the air and a heater warms it back up to discharge temperature. In many situations it’s possible to design without reheat, or to use minimal reheat. But it takes a knowledgeable engineer to make that determination and to provide a proper design.

Sun Unveils 2 TB Flash Storage Array – InformationWeek

Sun says the F5100, which includes as many as 80 NAND flash modules, is comparable to 3,000 enterprise hard disk drives that span 14 data center racks and consume 40,000 watts. The F5100, however, is delivered in a single rack unit and consumes only 300 watts.

Brown cloud or green cloud? – Financial Times

From big companies such as Google to small office server rooms, the IT industry is grappling with huge power bills – a big part of the reason behind the industry’s Green IT priority. But, while there’s undoubtedly progress in reducing power consumption and emissions from new data centres, it is likely that demand will outpace gains from efficiency.

Dell pitches x86 in Oracle’s Sun court – Channel Register

Dell told OpenWorld that buying batches of his company’s x86 machines running virtualization and the latest in power efficiency and increased processing power will let you claw back around 15 per cent in IT costs.

Powering with rather than against Mother Nature – The Data Center Journal

Downloading data products has gained popularity for large sized items over a period of time and in significant manner. This type of choice reduces carbon footprints in a big way (88% approximately). Still, debates are on, as the peripherals and data centers involved in this task are themselves emitting carbon.

And don’t forget more fresh-off-the-Web Green IT links at GigaOM Pro.

Filed Under: Green IT Tagged With: Green IT, News, roundup

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