Blade Watch

http://www.bladesystemsinsight.com and http://www.intel.com

The Intel presentation was quite interesting in the respect that it highlighted the developments in energy efficient IT and how progress is being made in this area.

There was a mention of the power usage of a typical user, I’ve summarized this:

• 1015w – standard configuration pc with CRT screen
• 938w – if we swap the CRT for a TFT
• 655w – if we switch to a newer more energy efficiency processors
• 229w – if we use the newer more processors and enable power management

It illustrates how much of a difference can be made with small changes to system configuration, for example enabling power management, or even switching the pc off.

There was a great example showing two configurations:
2004

• 126 servers
• 6 racks
• 48kw

2007

• 17 blades
• 1 rack
• 6kw

As a result we have:

• Reduced floor space by 83%
• Reduced the energy cost by $53,000
• Uses 87% less power

There was also a presentation from Easystreet which talked about PUE, a very interesting concept which I hadn’t heard about. It’s a way of establishing how efficient your data center is. In summary, it’s:

• Total facility power/IT Equipment power=PUE
• The objective should e 1.0, the typical data center is 2.0

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