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. 17, 2021

Filed:

Jan. 29, 2019
Applicant:

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

Inventors:

Assaf Natanzon, Tel Aviv, IL;

Zvi Schneider, Tel Aviv, IL;

Amitai Alkalay, Kadima, IL;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 12/1018 (2016.01); G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0649 (2013.01); G06F 3/0616 (2013.01); G06F 3/0641 (2013.01); G06F 3/0653 (2013.01); G06F 3/0689 (2013.01); G06F 12/1018 (2013.01);
Abstract

A method is disclosed for storing data in a storage system, comprising: receiving a write request at the storage system; detecting whether the write request is associated with one of a deduplication tier or a non-deduplication tier of the storage system; when the write request is associated with the deduplication tier of the storage system, storing data associated with the write request in the first portion of the volume and updating a first mapping structure to map the first LBA to at least one first hash digest that is generated based on the data; and when the write request is associated with the non-deduplication tier of the storage system, storing data associated with the write request in the second portion of the volume and updating the first mapping structure to map the first LBA to a second hash digest that is generated based on a second LBA.


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