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. 11, 2023
Filed:
Apr. 26, 2019
Emc Ip Holding Company Llc, Hopkinton, MA (US);
James Morton, Adamstown, MD (US);
Lihui Su, Shanghai, CN;
Yubing Zhang, Shanghai, CN;
Ming Zhang, Shanghai, CN;
Yujun Liang, Shanghai, CN;
EMC IP HOLDING COMPANY LLC, Hopkinton, MA (US);
Abstract
An apparatus, method, and system for updating a file index in a search engine in a data backup system to reflect file changes introduced in a new backup is disclosed. The operations comprise: generating a first external file, the first external file comprising file hashes for files already indexed in a file index in a search engine of a data backup storage system that are not associated with a deleted status; generating a second external file, the second external file comprising file hashes for files in a new backup; determining one or more file changes introduced in the new backup based on a comparison between the first external file and the second external file; and updating the file index in the search engine to reflect the one or more file changes introduced in the new backup.