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.

Date of Patent:
Aug. 23, 2022

Filed:

May. 27, 2020
Applicant:

Emc Ip Holding Company Llc, Hopkinton, MA (US);

Inventors:

Chi Chen, Chengdu, CN;

Weilan Pu, Chengdu, CN;

Ruiyang Zhang, Chengdu, CN;

Assignee:

EMC IP Holding Company LLC, Hopkinton, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0647 (2013.01); G06F 3/061 (2013.01); G06F 3/0685 (2013.01);
Abstract

Techniques for data relocation involve: determining whether access frequency of a data block in a multi-tier storage system is periodic; in response to determining that the access frequency of the data block is periodic, determining a change cycle of the access frequency of the data block; and determining, based on the change cycle of the access frequency of the data block, priority of relocating the data block in the multi-tier storage system.


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