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:
Mar. 28, 2023
Filed:
Apr. 26, 2019
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Ming Zhang, Shanghai, CN;
Lihui Su, Shanghai, CN;
James Morton, Adamstown, MD (US);
Min Liu, Shanghai, CN;
Weiyang Liu, Shanghai, CN;
EMC IP HOLDING COMPANY LLC, Hopkinton, MA (US);
Abstract
An apparatus, method, and system for indexing backed up files is disclosed. The operations comprise: maintaining a File index and a Backup index, the File index comprising entries each associated with an individual file backed up, the Backup index comprising entries each associated with a particular backup; receiving a request to determine whether or not a first file is included in a first backup; determining whether or not the first file is included in the first backup based on the File index entry corresponding to the first file and the Backup index entry corresponding to the first backup; and returning a result of the determination of whether or not the first file is included in the first backup.