Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2011-05-31
2011-05-31
Kim, Matt (Department: 2186)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711SE12103
Reexamination Certificate
active
07953947
ABSTRACT:
A storage system and snapshot method wherein after a first processor transfers data stored in a first data area to a second storage system, the first processor transfers a first marker stored in a first marker area to a second storage system so that the first marker is stored in a second marker area of a second volume, wherein a second processor checks whether the first marker stored in the second storage area of the second volume corresponds to a second marker designated, and wherein, if the first marker stored in the second storage are of the second volume is a second marker designated, the second processor creates a snapshot of the data that is stored in the second data area, in a third storage volume.
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Akutsu Hiroaki
Eguchi Yoshiaki
Antonelli, Terry Stout & Kraus, LLP.
Hitachi , Ltd.
Kim Matt
Schnee Hal
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