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:
Oct. 25, 2016
Filed:
Dec. 28, 2012
Applicant:
Emc Corporation, Hopkinton, MA (US);
Inventors:
Xiangping Chen, Sherborn, MA (US);
Dennis T Duprey, Raleigh, NC (US);
Qin Tao, Hopkinton, MA (US);
Mark K Ku, Wollaston, MA (US);
Assignee:
EMC IP Holding Company LLC, Hopkinton, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 3/06 (2006.01); G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0689 (2013.01); G06F 12/02 (2013.01); G06F 12/023 (2013.01); G06F 2212/70 (2013.01);
Abstract
A method is used in managing storage space of storage tiers. Storage space utilization characteristics of a storage tier of a set of storage tiers in a storage system are evaluated. Based on the evaluation, reservation of headroom storage space in the storage tier is adjusted. The headroom storage space indicates an amount of the storage space reserved as unused storage space in the storage tier.