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Keeping Cool, and Keeping Data Center Energy Costs in Check
June 16, 2008 -
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No one has ever been fired for turning down the temperature on a data
center's CRAC unit. The statement might be a cliche among data center
professionals, but there's a grain of truth to it.
That doesn't mean that the temperature issue can't be attacked. The reality
is that many data centers operate cooler than they need because there is a
fear that any changes would compromise reliability.
The begin, know where the hot spots are and attack them. Airflow management
is key. It's not unusual for a data center to run cooler than needed because
of a specific area is running to hot. Consider relocating tiles. Use blank
off plates if you don't have them.
Once hot spots are under control, start inching the temperature up. Monitor
performance for a set period of time. If there aren't any problems, consider
another small temperature increase.