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. 19, 2010
Filed:
Sep. 07, 2007
Robert F. Bartfai, Tucson, AZ (US);
Michael E. Factor, Haifa, IL;
Shachar Fienblit, Ein Ayala, IL;
Olympia Gluck, Haifa, IL;
Gail A. Spear, Tuscon, AZ (US);
Robert F. Bartfai, Tucson, AZ (US);
Michael E. Factor, Haifa, IL;
Shachar Fienblit, Ein Ayala, IL;
Olympia Gluck, Haifa, IL;
Gail A. Spear, Tuscon, AZ (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
An apparatus, system, and method are disclosed for performing an incremental resynchronization between two unrelated volumes when a third volume fails. The apparatus, system, and method include initiating registration of changed tracks; keeping track of bytes in flight activities between a local volume and an intermediate volume; recording the changed tracks in bitmaps at the local volume; stopping the recording of the changed tracks; and starting a resynchronization process by sending the changed tracks to a recovery volume.