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.:

US 8560882 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 15, 2013

Filed:

Mar. 02, 2010
Applicants:

Vance T. Thornton, Chicago, IL (US);

James Bellanca, Chicago, IL (US);

Dustin M. Hendrickson, Biggsville, IL (US);

Zachary J. Mark, Chicago, IL (US);

Ilya Volvovski, Chicago, IL (US);

Inventors:

Vance T. Thornton, Chicago, IL (US);

James Bellanca, Chicago, IL (US);

Dustin M. Hendrickson, Biggsville, IL (US);

Zachary J. Mark, Chicago, IL (US);

Ilya Volvovski, Chicago, IL (US);

Assignee:

Cleversafe, Inc., Chicago, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method begins by identifying a data slice requiring rebuilding to produce an identified data slice, wherein the identified data slice is one of a plurality of data slices that constitute a data segment and wherein each of the plurality of data slices is assigned for storage by a corresponding one of a plurality of data slice servers. The method continues by retrieving at least m number of data slices from at least m number of the plurality of data slice servers, wherein m data slices of the plurality of data slices enable reconstruction of the data segment, and wherein the at least m number of data slices does not include the identified data slice. The method continues by reconstructing the identified data slice from the at least m number of data slices to produce a rebuilt data slice. The method continues by writing the rebuilt data slice to the corresponding one of the plurality of data slice servers or to a new slice server.


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