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. 14, 2015
Filed:
Mar. 15, 2013
Assaf Natanzon, Tel Aviv, IL;
Steven Bromling, Edmonton, CA;
Bradford B. Glade, Harvard, MA (US);
Saar Cohen, Moshav Mishmeret, IL;
Assaf Natanzon, Tel Aviv, IL;
Steven Bromling, Edmonton, CA;
Bradford B. Glade, Harvard, MA (US);
Saar Cohen, Moshav Mishmeret, IL;
EMC Corporation, Hopkinton, MA (US);
Abstract
In one aspect, a method to provide synchronous and asymmetric active-active-active access to a first storage volume using a global cache coupled to a first, second and third virtual storage volumes includes replicating asynchronously the first storage volume at a first site to a second storage volume at a second site and mirroring the first storage volume with a third storage volume at a third site. Either one of the first storage volume or the third storage volume has primary storage functionality. The method also includes virtualizing the first storage volume with the first virtual storage volume, virtualizing the second storage volume with the second virtual storage volume and virtualizing the third storage volume with the third virtual storage volume.