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. 02, 2013
Filed:
Jun. 28, 2010
Charles Christopher Bailey, Cary, NC (US);
Miles Aram DE Forest, Bahama, NC (US);
David Haase, Fuquay Varina, NC (US);
Saurabh M. Pathak, Jersey City, NJ (US);
Chetan Rameshchandra Vaidya, Morrisville, NC (US);
Paul T. Mcgrath, Raleigh, NC (US);
Charles Christopher Bailey, Cary, NC (US);
Miles Aram de Forest, Bahama, NC (US);
David Haase, Fuquay Varina, NC (US);
Saurabh M. Pathak, Jersey City, NJ (US);
Chetan Rameshchandra Vaidya, Morrisville, NC (US);
Paul T. McGrath, Raleigh, NC (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
Systems, methods, and computer readable media for tracking storage pool reservations are disclosed. According to one aspect, the subject matter described herein includes a system for tracking storage pool reservations. The system includes a storage entity having data storage space for storing data, the data storage space being divided into a plurality of slices. The system also includes one or more portions of non-volatile memory, different from the data storage space, for storing slice reservation statistics and information about requests that affect slice reservation statistics, wherein storing information in the portion of non-volatile memory is an atomic operation. The system further includes a control module for receiving a request that affect slice reservation statistics, storing information about the request in the portion of non-volatile memory, performing the request, and updating the slice reservation statistics and clearing the information about the request in the portion of non-volatile memory.