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. 10, 2021

Filed:

Jan. 24, 2020
Applicant:

Pure Storage, Inc., Mountain View, CA (US);

Inventors:

Andrew R. Bernat, Mountain View, CA (US);

Timothy W. Brennan, San Francisco, CA (US);

Mark L. McAuliffe, San Francisco, CA (US);

Neil Buda Vachharajani, Menlo Park, CA (US);

Assignee:

Pure Storage, Inc., Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 12/10 (2016.01);
U.S. Cl.
CPC ...
G06F 3/0619 (2013.01); G06F 3/064 (2013.01); G06F 3/0631 (2013.01); G06F 3/0659 (2013.01); G06F 3/0688 (2013.01); G06F 12/10 (2013.01); G06F 3/0607 (2013.01); G06F 2212/1032 (2013.01); G06F 2212/2022 (2013.01); G06F 2212/262 (2013.01); G06F 2212/7202 (2013.01); G06F 2212/7206 (2013.01); G06F 2212/7208 (2013.01);
Abstract

A method for rebuilding data when changing erase block sizes in a storage system is provided. The method includes determining one or more erase blocks to be rebuilt and allocating one or more replacement erase blocks, wherein the one or more erase blocks and the one or more replacement erase blocks have differing erase block sizes. The method includes mapping logical addresses, for the one or more erase blocks, to the one or more replacement erase blocks and rebuilding the one or more erase blocks into the one or more replacement erase blocks, in accordance with the mapping.


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