Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2011-07-12
2011-07-12
Bragdon, Reginald G (Department: 2189)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S141000, C711S150000, C711S165000
Reexamination Certificate
active
07979652
ABSTRACT:
A data replication system is implemented to replicate data among a plurality of replication nodes. Each node may be configured with durable storage (e.g., disk sub-system). The data replication system may receive write requests from one or more clients and send a replicate data write to the durable storage of each node. Once the data has been written to durable storage on a set of nodes, (regardless of whether the replicate data write has been completed to durable storage in each of the nodes not included in the set) the data replication system may send a write completion acknowledgement to the respective client for each write request. In some instances, the nodes within the set are configured to write data synchronously and the nodes not in the set are configured to write asynchronously. Performing both synchronous writes and asynchronous writes results in high performance and data durability.
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Amazon Technologies Inc.
Bansal Gurtej
Bragdon Reginald G
Kowert Robert C.
Meyertons Hood Kivlin Kowert & Goetzel P.C.
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