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:
Feb. 11, 2020
Filed:
Nov. 09, 2017
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Joshua J. Crawford, Tucson, AZ (US);
Paul A. Jennas, II, Tucson, AZ (US);
Jason L. Peipelman, Austin, TX (US);
Matthew J. Ward, Vail, AZ (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 11/14 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1469 (2013.01); G06F 11/1458 (2013.01); G06F 11/1474 (2013.01); G06F 2201/805 (2013.01); G06F 2201/82 (2013.01);
Abstract
A method, system, and program product are provided for undoing a point-in-time copy restore. Provided are swapping corresponding tracks between a source volume and a target volume using cache of a storage subsystem to which the source and the target volumes are attached, based on an indicator being set that a track on the source volume is changed since a point-in-time copy. Tracks are moved from the source volume to the target volume based on the indicator being unset.