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Keeping it cool -- how are you cooling your servers?
Server closets, server rooms and data centers all need cooling, and the need is growing at least as fast as the price of energy. How is your company coping? Reducing demand with virtualization and consolidation? Negotiating with power providers? Solar? What's working?
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1 Answer
Virtualization is surely the way to go. But there are other interesting technologies such as scheduled drive spin-down found in some storage systems which could be very useful for backup2disk solutions.
Also, there are flash drives (SSD - solid state drives) on the market offering very high performance and low power consumption. They cost much, but have performance that can replace 10-20 normal 15k FC with only one SSD. So, when high-performance is needed (banking applications for instance), flash drives are much cheaper in the long run looking at TCO. People are a bit scared of this technology today, but for no reason, it's much safer than traditional rotating drives. The only problem are costs, but it'll go down in the time that will come.
With a good ILM strategy (information lifecycle management) and automated data migration technologies it is possible to lower initial and operative costs pretty much. So, your data is basically moved in dependance of performance across flash drives, 15k/10k FC drives and SATA drives. This way you can save up to 20% only on power consumption and cooling.
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