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:
Dec. 16, 2008
Filed:
Apr. 05, 2005
Applicants:
Sriram Rao, San Jose, CA (US);
John Edwards, Sunnyvale, CA (US);
Douglas P. Doucette, Freeland, WA (US);
Cheryl Thompson, Sunnyvale, CA (US);
Inventors:
Sriram Rao, San Jose, CA (US);
John Edwards, Sunnyvale, CA (US);
Douglas P. Doucette, Freeland, WA (US);
Cheryl Thompson, Sunnyvale, CA (US);
Assignee:
Network Appliance, Inc., Sunnyvale, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A file system migrates a traditional volume to a virtual volume without data copying. In an embodiment, a traditional volume index node is selected for migration. The traditional volume index node is converted to a virtual volume index node. In one embodiment, the virtual volume index node provides both physical address information and virtual address information.