Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2007-09-04
2007-09-04
Elmore, Reba I. (Department: 2189)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S210000
Reexamination Certificate
active
10881880
ABSTRACT:
This invention enables managing data consistency between different data volumes by managing I/O traffic in a data storage environment. A methodology for managing data consistency, in accordance with the principles of the invention, comprises the steps of arresting processing of I/O traffic during an administrative operation, queuing any I/O that follow the arresting step in a queuing data structure and processing each queued I/O until the I/O processing is completed. Certain implementations of the invention include a system, a computer program product, or an apparatus, wherein each embodiment is configured for carrying out the steps involved in the methodology.
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Hotle William P.
Seela Nagapraveen Veeravenkata
Taylor Alan L.
Elmore Reba I.
EMC Corporation
Giordano C. A.
Gupta K.
Perkins R. K.
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