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Energy Efficiency with PDUs
How can you tame runaway IT energy costs – the biggest operating expense in your
data center? Several factors impact data center energy use: cooling and
temperature levels, water consumption, lighting, IT equipment efficiency, etc. In
future blogs, we’ll focus in more detail on each of these factors. Today, however,
we’re uncovering ways to use power distribution units (PDUs) to improve data
center energy efficiency.
We’ve said it before, and we’ll say it again (and again): You can’t manage what you
don’t measure. PUE is a widely accepted benchmarking standard from Green Grid
that helps data center managers determine energy efficiency by measuring how
effectively data centers use input power. It provides insights into efficiency
efforts, and can also help determine when something has gone awry.
Monitor Energy-Usage Trends:
If you’re not monitoring energy usage, how will you ever know consumption gets out
of hand? Manually or physically monitoring each of your PDUs individually would be
extremely difficult; collecting the information in a database allows you to monitor
rack-level power information, store the data, trend it and then use it to make
decisions about your data center.
Improve capacity planning:
Is your data center at power capacity? At surface level, it may appear to be – but
when you employ intelligent PDUs to perform outlet-level monitoring, you can
pinpoint areas within the data center where simple equipment rearrangement may
free up power or improve safety by moving equipment that is close to circuit limit.
Optimize device-level performance:
When you can calculate operating costs for each device on your network – from
servers to storage equipment – and know how much power each device uses, you can
easily identify the energy hogs. You can also use device-level performance metrics
to determine whether a more efficient device would be worth the investment by
comparing how much “work” you receive from the device in relationship to the
amount of power it consumes.
Failed power supply, temperature increases, a sudden surge in power usage … these
changes can all be identified by an intelligent PDU. When PDUs alert you to these
types of environmental or performance changes via E-mail or text, you’ll learn
about – and be able to act upon – the changes before they turn into a major issue
that causes downtime and lost revenue.
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