Method for scheduling of storage devices

Details Method for scheduling of storage devices Method for scheduling of storage devices

2008-01-02

2010-12-07

Nguyen, Hiep T (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Memory configuring

C713S324000

Reexamination Certificate

active

07849285

ABSTRACT:
MAID (Massive Array of Idle Disks) technology can not stop an array group in a time zone in which if any access is made to the array group desired to be stopped. For realization of power saving, the power may be stopped in a time zone when there is no access, but frequent power-on or power-off has a possibility of shortening the life of a physical disk. In addition, if plural physical disks are collectively activated in a particular period, the power consumption of a storage system as a whole in that period is increased sharply, so that there is a possibility that the stable operation of the storage system is adversely affected. For realizing power saving, plural tasks using the storage system is by scheduled and the task execution and the power-on and power-off of a power controlled unit is controlled based on the schedule selected by a user.

REFERENCES:
patent: 7646197 (2010-01-01), Misaka et al.
patent: 2004/0054939 (2004-03-01), Guha et al.
patent: 2008/0301474 (2008-12-01), Bussa et al.

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