Methods and apparatus for network efficient deduplication

Patent metadata

Field	Value
Publication number	US-8965852-B2
Application number	US-95434810-A
Country	US
Kind code	B2
Filing date	Nov 24, 2010
Priority date	Nov 24, 2009
Publication date	Feb 24, 2015
Grant date	Feb 24, 2015

Abstract

Mechanisms are provided for performing network efficient deduplication. Segments are extracted from files received for deduplication at a host connected to a target over one or more networks and/or fabrics in a deduplication system. Segment identifiers (IDs) are determined and compared with segment IDs for segments already deduplicated. Segments already deduplicated need not be transmitted to a target system. References and reference counts are modified at a target system. Updating references and reference counts may involve modifying filemaps, dictionaries, and datastore suitcases for both already deduplicated and not already deduplicated segments.

First claim

What is claimed is:

1. A method, comprising:
receiving a request at a host to deduplicate a plurality of files, the host and a plurality of other hosts connected to a target system and a plurality of other target systems over a network, wherein the host communicates over the network with the target system by using a file level protocol, wherein the target system is a file server;
determining at the host whether segments in the plurality of files have already been deduplicated at…

Assignees

• Jayaraman Vinod
• Dell Products Lp

Inventors

• Jayaraman Vinod

Classifications

• G06F16/1748 Primary

  Physics · mapped topic

• G06F17/30156 Primary

  Physics · mapped topic