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7. Use the cloud
Moving some of your storage to the cloud is one way of continuing to increase storage capacity when you run in to electrical supply limitations. But cloud storage facilities are probably more energy efficient too (which is good for PR purposes or to help meet energy consumption or CO2 footprint targets) and their energy costs (which ultimately are passed on to you) are probably lower.
That's because cloud data centers are often built in places where power and space are cheaper than they would be if the same infrastructure were deployed in your own data center, and because their scale leads to increased efficiencies.
8. Replace older hard drives
Each new generation of hard drive – like the new 6TB drives that have been launched onto the market – usually consumes less power than the generations that preceded it.
As well as being more energy efficient they offer more capacity (and therefore more Gb/Watt) and higher performance. That means there's an opportunity to make energy savings by replacing the oldest, least energy efficient and lowest capacity drives in some storage systems in your data center with a smaller number of newer ones.
9. Turn on thin provisioning
Greater storage efficiency means that less energy consuming storage media is used to provide the same storage capacity.
But ESG estimates that only about half of all enterprises turn on thin provisioning in their storage systems. "There are all sorts of un-mined storage efficiency opportunities if people take the time to investigate their options and actually deploy the functions they have on existing systems," says ESG's Mark Peters.
10. Don't forget deduplication and compression
Both of these storage efficiency techniques also allow you to store more data with less power hungry hardware, or get a greater effective capacity with the same energy consumption.
The use of deduping and compression is certainly more prevalent than it was a few years ago, but very few corporate data centers are likely using the two technologies to their maximum potential.