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:
Feb. 21, 2017
Filed:
Aug. 22, 2014
Veritas Technologies Llc, Mountain View, CA (US);
Lei Hu Zhang, Beijing, CN;
Xianbo Zhang, Plymouth, MN (US);
Veritas Technologies LLC, Mountain View, CA (US);
Abstract
A method for deduplication rehydration is described. In one embodiment, a request to restore a backup image is received. The backup image is stored in a deduplication system. The backup image includes a plurality of data segments. The method includes determining locality information for at least one of the plurality of data segments. The locality information includes information regarding a location of the at least one data segment in relation to each other data segment of the plurality of data segments in the backup image. The method includes obtaining an identifier of each data container storing the plurality of data segments of the backup image, determining a degree to which the plurality of data segments of the backup image are processed by prefetching, and prefetching one or more of the plurality of target data segments from a data container based at least in part on a predetermined effectiveness threshold.
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