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:
Jan. 02, 2024

Filed:

Nov. 01, 2017
Applicant:

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

Inventors:

Ivan Bassov, Brookline, MA (US);

Ahsan Rashid, Edison, NJ (US);

Philippe Armangau, Acton, MA (US);

Assignee:

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

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 16/215 (2019.01); G06F 16/22 (2019.01); G06F 16/23 (2019.01);
U.S. Cl.
CPC ...
G06F 16/215 (2019.01); G06F 16/22 (2019.01); G06F 16/2379 (2019.01);
Abstract

Techniques are provided for reporting space savings due to pattern matching in storage systems. For example, in one embodiment, an exemplary method comprises, when a given allocation unit in a storage system matches one or more predefined patterns, (i) setting a corresponding pattern flag for the given allocation unit, and (ii) incrementing at least one pattern counter; generating at least one snapshot of at least a portion of a file comprising the given allocation unit; and determining a range of data reduction attributed to pattern matching based on said at least one pattern counter, wherein one extreme of said range of data reduction attributed to pattern matching excludes said one or more predefined patterns in said at least one snapshot.


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