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:
Apr. 06, 2010
Filed:
Mar. 31, 2005
Graham Bromley, Dublin, CA (US);
Kirk W. Clowser, Dellwood, MN (US);
Graham Bromley, Dublin, CA (US);
Kirk W. Clowser, Dellwood, MN (US);
Symantec Operating Corporation, Mountain View, CA (US);
Abstract
A system for efficient creation of aggregate backup images includes a plurality of backup images of a source data set, including a first and a second backup image, and a backup manager. The second backup image may include at least one data block containing an updated version of a corresponding data block in the first backup image. The backup manager may be configured maintain a first and a second image map corresponding to the first and second backup images, respectively, where each image map includes a plurality of entries pointing to data blocks of the corresponding backup image. In response to a request to create a first aggregate backup image of the source data set, the backup manager may be configured to establish a first aggregate image map including indirect pointers that point to one or more entries in each of the first and second image maps.