Disk power manager for network servers

Details Disk power manager for network servers Disk power manager for network servers

1997-09-02

1999-10-05

Sheikh, Ayaz R.

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral monitoring

710 15, 710 16, 710 17, 710 19, 709105, 360 69, 360 71, 360 7303, G06F 1134

Patent

active

059616130

ABSTRACT:
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.

REFERENCES:
patent: 5345564 (1994-09-01), Jensen et al.
patent: 5483468 (1996-01-01), Chen et al.
patent: 5502811 (1996-03-01), Ripberger
patent: 5517649 (1996-05-01), McLean
patent: 5535400 (1996-07-01), Belmont
patent: 5535401 (1996-07-01), Rawson, III et al.
patent: 5664187 (1997-09-01), Burkes et al.
patent: 5666538 (1997-09-01), DeNicola

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