Cluster storage using delta compression

Details Cluster storage using delta compression Cluster storage using delta compression

2011-06-14

2011-06-14

Woo, Isaac M (Department: 2166)

Data processing: database and file management or data structures

Database design

Data structure types

C707S802000, C707S822000, C707S828000

Reexamination Certificate

active

07962520

ABSTRACT:
Cluster storage is disclosed. A data stream or a data block is received. The data stream or the data block is broken into segments. For each segment, a cluster node is selected, and in the event that a similar segment to the segment is identified that is already managed by the selected cluster node, a reference to the similar segment and a delta between the similar segment and the segment is caused to be stored on the selected cluster node.

REFERENCES:
patent: 2003/0097359 (2003-05-01), Ruediger
patent: 2005/0060643 (2005-03-01), Glass et al.
patent: 2005/0086246 (2005-04-01), Wood et al.
Hong et al.; “Duplicate Data Elimination in a SAN File Syste”; Proceedings of the 21stIEEE/12thNASA Goddard Conference on Mass Storage Systems and Technologies (MSST 2004); Apr. 2004; Goddard Space Flight Center, Greenbelt, Maryland 20771.
You et al.; “Deep Store: An Archival Storage System Architecture”; IEEE Proceedings of the 21stInternational Conference on Data Engineering (ICDE 2005); UC Santa Cruz, Jack Baskin School of Engineering , Santa Cruz, CA 95064.
Biggar, H.; “Experiencing Data De-Duplication: Improving Efficiency and Reducing Capacity Requirements”; Enterprise Strategy Group White Paper, Feb. 2007.

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