Pull the plug on high energy costs

McAdam, Dianne
September 2007
Storage Magazine;Sep2007, Vol. 6 Issue 7, p56
The article presents some ways to reduce electrical costs of storage systems. The number and speed of disk drives are correlated to the electricity required to power these devices. Ergo, to reduce energy requirements for disk systems, users must reduce the number of spinning disks or spin the disks at a slower rotational rate. These techniques work well to store infrequently accessed data, however, the same techniques may create problems with applications that demand fast response time. Other techniques that have been developed to make storage more energy efficient include keeping disks powered off until they are needed, and using software that recognizes and eliminates duplication.


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