Emc Corporation

Avamar Technologies, Inc.

Stephen B Whitehill

Gregory Hagan Moulton

A data storage system comprising a plurality of storage nodes, each node existing at a physical location having one or more contexts. Interface mechanisms couple to each storage node to communicate storage access requests with the storage node. Data storage management processes select one or more of the storage nodes to serve a data storage request based at least in part upon the particular contexts of each of the storage nodes.

System and method for intelligent, globally distributed network storage

A system and method for a computer file system that is based and organized upon hashes and/or strings of digits of certain, different, or changing lengths and which is capable of eliminating or screening redundant copies of aggregate blocks of data (or parts of data blocks) from the system. The hash file system of the present invention utilizes hash values for computer files or file pieces which may be produced by a checksum generating program, engine or algorithm such as industry standard MD4, MD5, SHA or SHA-1 algorithms. Alternatively, the hash values may be generated by a checksum program, engine, algorithm or other means that produces an effectively unique hash value for a block of data of indeterminate size based upon a non-linear probablistic mathematical algorithm.

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Tustin, CA, United States of America

Stephen B Whitehill