Published on September 01, 2009
Most companies undergoing data center projects have
the mindset of cutting costs rather than helping the environment,
however, they may want to adjust their focus. With data center greenhouse
emissions set to overtake the airline industry in the next five
to ten years, quadrupling by 2020, it has never been more critical
for organizations to optimize their data center. If the cost savings
are half as great for data centers as they have been for the airline
industry, we will need to fasten our seatbelts.
Data centers have always been power hogs, but the
problem has accelerated in recent years. Ultimately, it boils down
to design, equipment selection and operation of which measurement
is an important part. The first step on an existing Datacenter to
achieve high(er) efficiencies is through the improvement of a data
center’s Power Usage Effectiveness (PUEenergy)† ratio PUEenergy
ratios can be used as a guide to define a data center’s efficiency
or ‘green’ credentials and have become the de facto metric in the
past year.
A data center with a low PUEenergy of 1.5, implements
lean design and has established measurement data with demonstrable
year-on-year improvements can be classified as green or energy efficient.
The dream green data center would have a PUEenergy of one, which
means that every watt of power in the transformer is delivered directly
to the IT equipment without any losses in the site infrastructure.
Unfortunately, this is not physically possible as some infrastructure
services, such as cooling, always have energy losses (for time being).
To read further, please visit the Data Center Journal
website:
http://datacenterjournal.com/content/view/3139/43/
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