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:
Apr. 25, 2017
Filed:
Feb. 09, 2015
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Robert S. Gensler, Jr., Beavercreek, OH (US);
Lisa J. Gundy, Tucson, AZ (US);
Christopher J. Miller, Tucson, AZ (US);
Jeffrey R. Suarez, Tucson, AZ (US);
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0608 (2013.01); G06F 3/0644 (2013.01); G06F 3/0662 (2013.01); G06F 3/0665 (2013.01); G06F 3/0683 (2013.01);
Abstract
A storage controller maintains extent space efficient storage volumes in a primary allocation space and a secondary allocation space. An indicator is used to indicate that extents of the secondary allocation space are available for an extent pool, without releasing the extents from the secondary allocation space.