The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 2012
Filed:
Dec. 18, 2008
James Ohr, Saint Paul, MN (US);
Michael Zeis, Minneapolis, MN (US);
Dean Elling, Burnsville, MN (US);
Stephan Kurt Gipp, Inver Grove Heights, MN (US);
William Desjardin, Roseville, MN (US);
James Ohr, Saint Paul, MN (US);
Michael Zeis, Minneapolis, MN (US);
Dean Elling, Burnsville, MN (US);
Stephan Kurt Gipp, Inver Grove Heights, MN (US);
William DesJardin, Roseville, MN (US);
Symantec Corporation, Mountain View, CA (US);
Abstract
A method and apparatus for optimizing a de-duplication rate for backup streams is described. In one embodiment, the method for optimizing data de-duplication using an extent mapping of a backup stream includes processing a backup stream to access an extent mapping associated with a plurality of data files, wherein the plurality of the data files are arranged within the backup stream and examining the extent mapping to identify at least one extent group within the backup stream, wherein the plurality of the data files are de-duplicated using at least one location of the at least one extent group.