1. The Whys and Hows of Measuring Power in your Data Center

    The Whys and Hows of Measuring Power in your Data Center
    If your phone rings tomorrow and the CIO is on the line asking, "What are we doing about power consumption in our data centers?" what will you say? Typically, data center managers have not worried about power consumption, but this is quickly changing as 1) additional power is often not available, 2) the cost of power is becoming a significant cost of operating a data center and 3) companies are placing a higher value on green initiatives. Based on the simple premise that "you can't manage what you can't measure" data centers are undertaking steps to measure device-level power consumption. No longer do rule-of-thumb estimates suffice -- because they can turn out to be just plain wrong, leading to unnecessary and sometimes quite substantial costs. Devices that were thought to be consuming very little power may be consuming quite a lot, even while simply sitting idle doing no useful ...
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