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:
Mar. 22, 2016
Filed:
Dec. 17, 2014
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/38 (2006.01); G06F 3/06 (2006.01); G06F 11/22 (2006.01); G06F 11/30 (2006.01); G06F 13/12 (2006.01); G06F 13/42 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0611 (2013.01); G06F 3/061 (2013.01); G06F 3/0604 (2013.01); G06F 3/067 (2013.01); G06F 3/0629 (2013.01); G06F 3/0635 (2013.01); G06F 3/0659 (2013.01); G06F 3/0665 (2013.01); G06F 3/0673 (2013.01); G06F 3/0683 (2013.01); G06F 11/2221 (2013.01); G06F 11/3041 (2013.01); G06F 13/122 (2013.01); G06F 13/385 (2013.01); G06F 13/4221 (2013.01);
Abstract
A first storage system is configured as a proxy for a logical volume stored on a second storage system. A probe request verifying availability of the logical volume is conveyed to an identified port, and upon receiving a response from a second storage system verifying the availability of the logical volume for an I/O request, the I/O request is conveyed to the identified port, a result of the I/O request is received from the identified port, the result is conveyed to the host computer.