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:
Mar. 07, 2017
Filed:
Mar. 29, 2012
Richard Rogers, Bellevue, WA (US);
Vitaly Zolotusky, Arlington, MA (US);
Alan G. Bryant, Walpole, MA (US);
Richard Rogers, Bellevue, WA (US);
Vitaly Zolotusky, Arlington, MA (US);
Alan G. Bryant, Walpole, MA (US);
HITACHI DATA SYSTEMS CORPORATION, Santa Clara, CA (US);
Abstract
A method, of managing storage of content of a system () in storage units () including run units which do not allow spin-down functionality and spin-down units which allow spin-down functionality, comprises: establishing a storage tiering rule () which sets a policy indicating what content is eligible to be stored on a run unit and what content is eligible to be stored on a spin-down unit, the storage tiering rule being applicable to at least a group of the contents in the content system to determine stored content eligibility thereof for storage in the storage units and migration between the storage units; and identifying candidates of contents to migrate between the storage units (), based on the storage tiering rule, state of the content system, and the stored content eligibility of the at least a group of the contents.