Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2011-06-14
2011-06-14
Rutz, Jared I (Department: 2187)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C707S639000
Reexamination Certificate
active
07962712
ABSTRACT:
Disclosed herein is a method for controlling a storage device controller connected to a storage device provided with a plurality of storage volumes for storing data respectively and an information processing apparatus for requesting an input/output of data so as to receive an input/output request from the information processing apparatus and execute an input/output processing of the data for each of the plurality of storage volumes. The method brings one (primary) of the plurality of storage volumes into correspondence with another (secondary) in which a copy of data is to be written when the data is written in the primary volume so as to form a pair group consisting of a plurality of pairs, each having such a primary volume and such a secondary volume.
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Nagaya Masanori
Sato Takao
Suzuki Susumu
Hitachi , Ltd.
Mattingly & Malur, PC
Rutz Jared I
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