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. 30, 2013
Filed:
Sep. 23, 2009
Atsushi Murase, Sunnyvale, CA (US);
Atsushi Murase, Sunnyvale, CA (US);
Hitachi, Ltd., Tokyo, JP;
Abstract
A system includes a first site having a first server and a first storage system, a second site including a second server and a second storage system, and a third site coupled to the first and second sites, the third site having gold images. A method of migrating a virtual server image comprises storing a first gold image at the first site; storing a second gold image at the second site; creating a first snapshot volume at the first site based on the first gold image; sending the first gold image ID, update data of the first gold image, and address information for the update data, from the first site to the second site; creating a second snapshot volume at the second site based on the second gold image corresponding to the first gold image ID; allocating storage for storing the update data at the second site with reference to the address information; and storing the update data in the allocated storage.