Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2011-06-21
2011-06-21
Chery, Mardochee (Department: 2186)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S161000, C711S114000, C711SE12001
Reexamination Certificate
active
07966463
ABSTRACT:
Provided is a control method for an asynchronous remote copy system, the method including: fixing data in a secondary volume; determining a certain area in the secondary volume that contains data required to be copied to a primary volume from the secondary volume in which the data is fixed; copying the data in the certain area to the primary volume; and swapping the primary volume and the secondary volume for restarting the asynchronous remote copy.
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Kobayashi Masa-aki
Mizuta Rikiya
Nagata Koji
Chery Mardochee
Hitachi , Ltd.
Volpe and Koenig P.C.
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