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. 24, 2021

Filed:

Apr. 12, 2019
Applicant:

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

Inventors:

Yuhong Mao, Fremont, CA (US);

Russell Sears, San Jose, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/0804 (2016.01); G11C 29/52 (2006.01); G06F 11/10 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0804 (2013.01); G06F 11/1068 (2013.01); G11C 29/52 (2013.01); G06F 2212/1032 (2013.01);
Abstract

A method of operating a storage unit having non-volatile random-access memory (NVRAM) and solid-state memory is provided. The method includes transferring contents of the NVRAM to the solid-state memory, in response to detecting a power loss. The method includes during the transferring, having each of a plurality of channels in parallel, reading one or more of a plurality of logical unit numbers (LUNs) each corresponding to a portion of the NVRAM, performing an XOR of data of each of the one or more of the plurality of LUNs with data of a preceding LUN, and writing results of the XOR to the solid-state memory.


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