Comments on: Efficient UPS Aids Google’s Extreme PUE

By: Sid

Sid — Thu, 30 Sep 2010 15:43:00 +0000

Using batteries is not friendly to the enviorment. Unless you use a fuel cell (gas powered). When these are cheap an inexpensive all data centers will be using them.

Why not generate the 12V yourself (solar, wind, hyro). It’s a shame Google or Facebook can’t lead by example and look to become more self sufficient.

1 search on google = 1hr of a 100W lighbulb, and we’re looking to save energy?

By: Bruce Collins

Bruce Collins — Thu, 05 Aug 2010 05:36:36 +0000

All very well to have smaller UPS function at the server level, but if you are running a VM environment you need an orderly shutdown time = physical machine shutdown x number of virtual machines on the physical machine. This makes UPS capacity rather large in comparison to basic UPS design. Particularly if the generators dont kick in.

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By: Facebook Begins Building Its Own Data Centers

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[...] The key to Facebook’s improved energy efficiency is related to its “UPS (uninterruptible power supply) System”. Rather than forcing all power through the UPS as it travels to servers, on-board batteries are used, resulting in major efficiency gains. According to Data Knowledge Center, this system was adopted from Google, who first announced the improved model last April. [...]

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[...] Yahoo! na Frente da Corrida do Melhor PUE Deu no site Data Center knowlegde que o Yahoo! construiu um Data Center capaz de operar com um PUE de 1.1. Na frente até mesmo do Google que anunciou que opera com PUE de 1.16. [...]

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[...] Efficient UPS Aids Google’s Extreme PUE from Data Center Knowledge [...]

By: Perk

Perk — Thu, 02 Apr 2009 14:59:33 +0000

The 12v battery-on-board idea does necessitate the use of 12volt-only motherboards. Nice idea though.

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