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. 24, 2018
Filed:
Apr. 28, 2015
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Sean C. Dolan, Southborough, MA (US);
Hui Wang, Upton, MA (US);
Owen Martin, Hopedale, MA (US);
Marik Marshak, Newton, MA (US);
Dan Aharoni, Brookline, MA (US);
Alexandr Veprinsky, Brookline, MA (US);
Xiaomei Liu, Natick, MA (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
Described are techniques for configuring data storage. Criteria identifying limits is received for a plurality of storage tiers for one or more logical devices. The storage tiers include a first storage tier and one or more other storage tiers where the first storage tier is higher performing than the other storage tiers. First processing is performed to determine a first set of data portions of the logical devices to be stored on physical devices of the first storage tier subject to limits included in said criteria. First processing includes determining scores for data portions of the logical devices. Each score is calculated using one or more metrics including a first metric weighted based on an expected I/O size. The data portions are ranked in accordance with the scores. The first set of data portions stored in the first storage tier is selected based on the score ranking.