Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Reexamination Certificate
2008-06-10
2008-06-10
Bragdon, Reginald (Department: 2189)
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
C711S161000, C711S162000, C714S006130
Reexamination Certificate
active
07386664
ABSTRACT:
A method and system for mirror storage element resynchronization in a storage virtualization device is disclosed. According to one embodiment of the present invention, a read operation on a region of a data volume is received at a first module of a first storage virtualization device where the data volume is associated with at least a first mirror storage element and a second mirror storage element, a state indicated by a bit corresponding to the region of the data volume within a first synchronization map is determined in response to receiving the read operation, the read operation is processed using the first module if the bit is determined to indicate a first state and using a second module of the first storage virtualization device if the bit is determined to indicate a second state.
REFERENCES:
patent: 7200664 (2007-04-01), Hayden
Asgaonkar Shishir S.
Dharap Prasad K.
Kekre Anand A.
Kumar Mukul
Limaye Prasad
Bragdon Reginald
Campbell Stephenson LLP
Namazi Mehdi
Symantec Operation Corporation
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