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.:
Date of Patent:
May. 23, 2023
Filed:
Oct. 11, 2019
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Gang Lyu, Shanghai, CN;
Yongjie Gong, Shanghai, CN;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 13/14 (2006.01);
U.S. Cl.
CPC ...
G06F 3/065 (2013.01); G06F 3/0611 (2013.01); G06F 3/0613 (2013.01); G06F 3/0619 (2013.01); G06F 3/0659 (2013.01); G06F 3/0689 (2013.01);
Abstract
Operating a data mirroring system comprising a primary storage and a secondary storage that maintains a synchronous copy of data in the primary storage by detecting at least one disk array of the primary storage is overdriven, determining one or more primary volumes mapped into the at least one disk array, identifying sequential read commands to the primary volumes, at least one sequential read stream comprising a series of sequential read commands to one of the primary volumes, and redirecting at least one sequential read stream to the secondary storage.