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:
Aug. 12, 2014
Filed:
Mar. 28, 2012
Vinu Velayudhan, Fremont, CA (US);
James A. Rizzo, Austin, TX (US);
Basavaraj G. Hallyal, Fremont, CA (US);
Guolin Huang, Sunnyvale, CA (US);
Sumant K. Patro, Fremont, CA (US);
Vinu Velayudhan, Fremont, CA (US);
James A. Rizzo, Austin, TX (US);
Basavaraj G. Hallyal, Fremont, CA (US);
Guolin Huang, Sunnyvale, CA (US);
Sumant K. Patro, Fremont, CA (US);
LSI Corporation, Milpitas, CA (US);
Abstract
Methods and systems for transferring ownership of a logical volume in a storage system comprising multiple storage controllers is provided. According to the method, the storage controllers are coupled for communication with a logical volume, wherein at least one storage device coupled with the storage controllers implements the logical volume. The method comprises identifying, at a first storage controller, a second storage controller to receive the logical volume. The method also comprises initiating a transfer of ownership of the logical volume from the first storage controller to the second storage controller by transferring metadata stored in a memory of the first storage controller to the second storage controller, the metadata existing in a native format that describes the configuration of the logical volume on the at least one storage device.