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:
Feb. 25, 2014
Filed:
Sep. 29, 2011
Christopher Seibel, Walpole, MA (US);
Philippe Armangau, Acton, MA (US);
Sitaram Pawar, Shrewsbury, MA (US);
Jean-pierre Bono, Westborough, MA (US);
Diane M. Delgado, Carlisle, MA (US);
Christopher Seibel, Walpole, MA (US);
Philippe Armangau, Acton, MA (US);
Sitaram Pawar, Shrewsbury, MA (US);
Jean-Pierre Bono, Westborough, MA (US);
Diane M. Delgado, Carlisle, MA (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
A method is used in managing global metadata caches in data storage systems. Space is allocated in a memory of a data storage system to a global metadata cache which is configured to store metadata objects for a plurality of different file systems responsive to file system access requests from the plurality of different file systems. A metadata object associated with a file of a file system of the plurality of different file systems is stored in the global metadata cache. The metadata object is accessed by a plurality of different versions of the file.