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. 07, 2019

Filed:

Jun. 01, 2016
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Clark A. Anderson, Rochester, MN (US);

Adrian C. Gerhard, Rochester, MN (US);

Daniel F. Moertl, Rochester, MN (US);

Rick A. Weckwerth, Oronoco, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/061 (2013.01); G06F 3/065 (2013.01); G06F 3/0635 (2013.01); G06F 3/0659 (2013.01); G06F 3/0665 (2013.01); G06F 3/0689 (2013.01);
Abstract

A storage subsystem records a copy of a data object on a plurality of storage devices. The storage subsystem receives a read request to read a data object. Under certain utilization conditions of the storage subsystem, a resource utilization condition satisfies a split-read criterion. In response to the resource utilization condition satisfying the split-read criterion, the storage subsystem reads at least a portion of the data object from each of the storage devices having a copy of the data object.


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