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:
Dec. 29, 2020

Filed:

Nov. 27, 2018
Applicant:

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

Inventors:

Yi Zhi Gao, Shanghai, CN;

Li Hui Guo, Shanghai, CN;

Long Wen Lan, Shanghai, CN;

Wen Wu Na, Shanghai, CN;

Yao Zhou, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 11/20 (2006.01);
U.S. Cl.
CPC ...
G06F 11/2094 (2013.01); G06F 11/2033 (2013.01); G06F 11/2069 (2013.01); G06F 11/2082 (2013.01); G06F 2201/805 (2013.01); G06F 2201/82 (2013.01);
Abstract

Provided is a method, system, and computer program product for managing requests received by a storage system. The method may include detecting, by one or more processors, a failure in a first storage system in response to a request to access data in the first storage system. The first storage system may include a primary storage for storing the data. A second storage system may be activated in response to the detected failure. The second storage system may include a first storage and a second storage. The first storage may include data synchronized with the primary storage of the first storage system. The second storage may be used to store data that corresponds to the request. The request may be managed using the second storage system.


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