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:
Jun. 02, 2020
Filed:
Dec. 19, 2017
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Bradley S. Powers, Tucson, AZ (US);
Gail A. Spear, Tucson, AZ (US);
Teena N. Werley, Tucson, AZ (US);
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0604 (2013.01); G06F 3/061 (2013.01); G06F 3/0608 (2013.01); G06F 3/0649 (2013.01); G06F 3/0659 (2013.01); G06F 3/0665 (2013.01); G06F 3/0683 (2013.01); G06F 3/0685 (2013.01); G06F 3/0689 (2013.01);
Abstract
A storage controller configures a plurality of storage tiers. A sub-unit of a storage unit is maintained in a selected storage tier of the plurality of storage tiers, for at least a predetermined duration of time subsequent to an input/output (I/O) request for the sub-unit.