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:
Dec. 08, 2020
Filed:
Jun. 06, 2019
Emc Ip Holding Company Llc, Hopkinton, MA (US);
William Stronge, Westford, MA (US);
David Meiri, Somerville, MA (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
An apparatus in one embodiment comprises a storage system having a plurality of storage devices configured to store at least a first set of data. The storage system is configured to generate a first signature for the first set of data and to verify equivalence between the first set of data and a second set of data by comparing the first signature to a second signature generated for the second set of data. The first and second sets of data comprise respective first and second sets of pages with each page having a content-based page identifier and a page address, and the first and second signatures are generated as respective functions of the page identifiers and page addresses of the respective first and second sets of pages. The first and second sets of data may comprise respective first and second storage volumes, respective first and second sets of multiple storage volumes, or other sets of data.
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