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:
Jun. 19, 2018

Filed:

Sep. 30, 2014
Applicant:

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

Inventors:

Michael Trachtman, Arlington, MA (US);

Brian Lake, Edmonton, CA;

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/061 (2013.01); G06F 3/0665 (2013.01); G06F 3/0688 (2013.01); G06F 3/0689 (2013.01); G06F 2212/1032 (2013.01);
Abstract

Described are techniques for processing I/O operations. A read operation is received that is directed to a first location of a logical device. Data stored at the first location of the logical device is replicated on a plurality of data storage systems. In accordance with one or more criteria, a set of at least one of the plurality of data storage systems is determined. The one or more criteria include information describing current configuration options of the plurality of data storage systems affecting I/O operation performance. The read operation is sent to each data storage system of the set.


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