Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2007-08-07
2011-10-18
Bragdon, Reginald (Department: 2189)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S152000, C711S165000, C711SE12001, C710S104000
Reexamination Certificate
active
08041909
ABSTRACT:
The present invention provides a storage system for migrating a storage apparatus. The storage system comprises the steps of: defining a logical volume on a storage apparatus to be migrated coupled to a first controller as a local volume coupled to a second controller; setting to receive an access targeted to the logical volume through an input/output port of the storage apparatus to be migrated, as the local volume coupled to the second controller; blocking the input/output port of the storage apparatus to be migrated; connecting the other input/output port of the storage apparatus to the second control apparatus.
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“Data Base Control and Processing System.” IBM Technical Disclosure Bulletin, Dec. 1982.
Morishita Noboru
Yamamoto Yusutomo
Bernard Daniel J
Bragdon Reginald
Hitachi , Ltd.
Kilpatrick Townsend & Stockton LLP
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