Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2008-01-22
2008-01-22
Tran, Denise (Department: 2185)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S167000
Reexamination Certificate
active
11531249
ABSTRACT:
A method to adjust the data transfer rate for one of (N) primary backup appliances. The method forms by a first primary backup appliance at least one consistent transactions set. The first primary backup appliance receives the (n)th status signal, and the (n+1)th status signal from each of the other (N−1) primary backup appliances. The method calculates the (n)th effective bandwidth for each of the (N) primary backup appliances, the (n)th time to complete for each of the (N) primary backup appliances, and the (n)th effective aggregate bandwidth for all (N) primary appliances. If the (n)th time to complete for the first primary backup appliance is greater than the (n)th time to complete for each of the other (N−1) primary backup appliances, then the method provides at least one consistent transactions set from the first primary backup appliance to a first secondary backup appliance with no delay.
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Boyd Kenneth W.
Dahman Kirby G.
Day III Kenneth F.
Doatmas Philip M.
Wolfgang John J.
Chandler & Udall LLP
Regelman Dale F.
Tran Denise
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