Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2007-07-24
2007-07-24
LeRoux, Etienne (Department: 2161)
Data processing: database and file management or data structures
Database design
Data structure types
Reexamination Certificate
active
09898894
ABSTRACT:
A system and method for enabling parallel replay of a backup memory log of client transaction request entries to a network storage appliance file system is provided. The backup memory is typically implemented as a non-volatile random access memory (NVRAM). An initiator establishes a swarm of messages with a plurality of transaction blocks pointing to logged request entries and related states associated therewith. The states represent the various phases of file system recovery and disk storage including a retrieval of disk information (data and meta-data), typically in the form of a LOAD, and a subsequent modify phase. The swarm is transferred to the file system for parallel disk information-retrieval in an interleaved process. Any transactions that cannot be performed due to a required prerequisite action (e.g. a prior file-create) are returned to the initiator for reloading once the prerequisite action has occurred.
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Edwards John K.
Lewis Blake H.
Watanabe Steven S.
Cesari & McKenna LLP
LeRoux Etienne
Network Appliance Inc.
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