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.

Date of Patent:
May. 14, 2019

Filed:

Apr. 27, 2017
Applicant:

Emc Ip Holding Company Llc, Hopkinton, MA (US);

Inventors:

Mikhail Danilov, Saint Petersburg, RU;

Konstantin Buinov, Kirovsk, RU;

Alexander Rakulenko, Seattle, WA (US);

Gregory Skripko, Seattle, WA (US);

Kirill Zakharov, Saint Petersburg, RU;

Assignee:

EMC IP Holding Company LLC, Hopkinton, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/10 (2006.01); H03M 13/15 (2006.01); H04L 29/08 (2006.01); G11C 29/00 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1076 (2013.01); G11C 29/00 (2013.01); H03M 13/154 (2013.01); H04L 67/1097 (2013.01);
Abstract

The disclosure relates data protection management (e.g. data recovery) for distributed storage systems. Specifically, the systems (and methods) of the disclosure provide an advanced mechanism for data recovery based on a notion of a data fragment's peer group, which may be used for 'peer' recovery. Peer recovery allows a data fragment to be recovered when all the data fragments from its peer group are available. Accordingly, the described mechanism leverages the power of erasure coding and XOR operations to support recovery of data in situations where such data would previously be considered unrecoverable.


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