Ast Research, Inc.

Richard M DeNicola

A computer network includes a network server in communication with a plurality of user terminals. The network server includes disk drives which store data accessible via the user terminals. To increase power efficiency of the network server, the number of accesses to the disk drives is monitored and a histogram is generated to display the distribution of disk accesses over time. A network administrator subsequently selects time intervals to spin down one or more of the disk drives during periods of disk inactivity as depicted in the histogram. In a preferred embodiment, the network administrator uses the histogram for failure analysis to determine which disks are more likely to fail over long time periods.

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Walnut, CA, United States of America

Richard M DeNicola