Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2008-01-02
2010-12-07
Rutz, Jared I (Department: 2187)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C713S324000
Reexamination Certificate
active
07849280
ABSTRACT:
In a storage system including: plural information processing apparatuses each of which copies data sent from a host computer to create archive data in accordance with redundancy sent from the host computer; and a storage apparatus having physical disks that store the archive data, the storage apparatus includes a management unit that manages power state information that is information on whether or not the power state of each of the physical disks is “on,” and the information processing apparatuses each include an acquisition unit that acquires the power state information managed by the management unit and a determination unit that determines an information processing apparatus targeted for reading or writing the archive data from among the information processing apparatuses based on the power state information acquired by the acquisition unit.
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Mizuno Jun
Nasu Hiroshi
Yamamoto Masayuki
Brundidge & Stanger, P.C.
Hitachi , Ltd.
Rutz Jared I
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