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:
Apr. 03, 2018
Filed:
Sep. 30, 2016
Applicant:
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Inventors:
Qi Mao, Shanghai, CN;
Jean-Pierre Bono, Westborough, MA (US);
Ahsan Rashid, Edison, NJ (US);
Xianlong Liu, Shanghai, CN;
Chang Yong Yu, Shanghai, CN;
Ruiling Dou, Shanghai, CN;
Alexander Mathews, Morganville, NJ (US);
Henry Fang, Beijing, CN;
Gyanesh Kumar Choudhary, Edison, NJ (US);
Assignee:
EMC IP Holding Company LLC, Hopkinton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0608 (2013.01); G06F 3/067 (2013.01); G06F 3/0644 (2013.01); G06F 3/0647 (2013.01); G06F 3/0683 (2013.01); G06F 17/30138 (2013.01);
Abstract
Techniques for shrinking a filesystem backed by a volume identify slices in the volume to be evacuated in order to reach a target size, identify a target endpoint in the volume, and evacuate identified slices to available locations prior to the target endpoint. The same data is typically not moved from slice to slice multiple times.