greening your IT

March 31st, 2010 by Sebastian Leave a reply »

All the IT infrastructures on this world are responsible for 2% of  the co2 output of this worlds societies. Which is equal to the co2 output of 50 million cars. [1] So in my opinion every company and every government agency should try to minimize the energy consumption of their IT infrastructures. But this isn’t easy…

You have to know which parts of your IT have high energy consumptions. The first classification inside IT infrastructure is:

  • the data center consumes 45%
  • and the IT infrastructure outside the data center (workstations, laptops, beamers, phones etc.) consume 55% [2]

Now you think – Wow what is consuming so much energy in my data center? Here comes the data [3]:

With that knowledge you can start identifying the big wastrel by measuring energy consumption and you can identify inefficient hardware. And be aware the fact, that disk arrays can only spin down to 80% of the energy consumption they have under full load – So you might consider start using storage virtualization techniques like thin provisioning or data deduplication – less disks >> less energy consumption ;-)

[1] http://www.gartner.com/it/page.jsp?id=503867
[2] http://thegreengrid.org/
[3] http://net.educause.edu/ir/library/pdf/churiedel.pdf

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