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:
Jul. 22, 2014
Filed:
Nov. 29, 2012
International Business Machines Corporation, Armonk, NY (US);
Travis M. Drucker, Rochester, MN (US);
Joel C. Dubbels, Eyota, MN (US);
Thomas J. Eggebraaten, Rochester, MN (US);
Janice R. Glowacki, Rochester, MN (US);
Richard J. Stevens, Rochester, MN (US);
David A. Wall, Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Managing failover operations on a cluster of computers, including: identifying, by a failover hold module, a failure to access data storage in the cluster of computers; preventing the execution of all read operations directed to the data storage that were received after the failure to access data storage was identified; executing all write operations directed to the data storage that were received after the failure to access data storage was identified, including writing data to a cache; identifying that a failover to alternative data storage is complete; executing the held read operations, including reading data from the alternative data storage; and copying, from cache to the alternative data storage, the data written to the cache as part of the write operations.