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:
Oct. 09, 2007
Filed:
Apr. 14, 2004
Ronald Edward Bretschneider, San Jose, CA (US);
Marc Kenneth Duquette, San Jose, CA (US);
William Stuart Edwards, San Jose, CA (US);
Ruth Leslie Ferziger, San Jose, CA (US);
Peter Verl Gibson, San Jose, CA (US);
Lyle Leroy Merithew, Jr., San Jose, CA (US);
Ronald Edward Bretschneider, San Jose, CA (US);
Marc Kenneth Duquette, San Jose, CA (US);
William Stuart Edwards, San Jose, CA (US);
Ruth Leslie Ferziger, San Jose, CA (US);
Peter Verl Gibson, San Jose, CA (US);
Lyle LeRoy Merithew, Jr., San Jose, CA (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
The invention provides an apparatus, system, and method for cluster-wide peer recovery in the event of a computer failure. A failure of a first computer is detected and a recovery module is registered as the first computer. In one embodiment, the recovery module is a peer computer. The recovery module retrieves a privately held undo log data through the authorized assumption of the failure identity associated with the failed first computer, backs out in-flight transaction updates of the first computer, and frees up data resources locked by the first computer.