Power consumption for data storage will exceed that of all other equipment by next year.
A new technology called MAID (massive array of inactive disks), based on the simple idea that the majority of data doesn't need to be accessed immediately, is designed to tailor hardware and power to the kinds of data accessed. High activity data (e.g. real time stock quotes) would require high performance storage, but data that does not experience high activity (e.g. the 1997 corporate report) can reside on lower performance and more power efficient storage. MAID takes advantage of this and turns disks off that are not in use, then powers them back on when an application needs access to dormant data.
Savings are big - coupled with removing duplicate data (the typical organization may have between 10 and 30 copies of the same data) , a MAID can reduce data storage energy consumption by as much as 50 percent. That's good news for data centers, most of which are already at capacity, and increasingly legislated.:: Greener Computing :: Green Data Project
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