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:
Sep. 06, 2011
Filed:
Aug. 05, 2009
Toby Smith, Pittsburgh, PA (US);
Richard P. Jernigan, Iv, Ambridge, PA (US);
Robert Wyckoff Hyer, Jr., Mars, PA (US);
Michael Kazar, Pittsburgh, PA (US);
David B. Noveck, Lexington, MA (US);
Peter Griess, San Francisco, CA (US);
Toby Smith, Pittsburgh, PA (US);
Richard P. Jernigan, IV, Ambridge, PA (US);
Robert Wyckoff Hyer, Jr., Mars, PA (US);
Michael Kazar, Pittsburgh, PA (US);
David B. Noveck, Lexington, MA (US);
Peter Griess, San Francisco, CA (US);
NetApp, Inc., Sunnyvale, CA (US);
Abstract
Apparatus and method are disclosed for managing lock state information in a distributed file system. A set of data containers storing data is maintained. The data containers are striped across a plurality of volumes, where each volume includes one or more data storage devices. A metadata volume is maintained with the plurality of volumes, the metadata volume configured to include a lock state database that stores lock state information for the plurality of volumes. The lock state information is communicated between the metadata volume and the plurality of volumes.