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:
Nov. 15, 2022
Filed:
Jul. 10, 2018
Here Data Technology, Guangdong, CN;
HERE DATA TECHNOLOGY, Shenzhen, CN;
Abstract
A method of data recovery for a distributed storage system is a method of recovering multiple failed nodes concurrently with the minimum feasible bandwidth when failed nodes exist in a distributed storage system. By means of selecting assistant nodes, obtaining helper data sub-blocks through computing the selected assistant nodes, then computing a repair matrix and finally multiple the repair matrix and the helper data sub-blocks, the missing data blocks are reconstructed; or the missing data blocks are reconstructed by decoding. The method is applicable to data recovery in the case of any number of failed nodes and any reasonable combinations of coding parameters. The data recovery herein can reach the theoretical lower limit of the minimum recovery bandwidth.
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