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:
Oct. 31, 2023

Filed:

Nov. 22, 2021
Applicant:

Netapp, Inc., San Jose, CA (US);

Inventors:

Douglas P. Doucette, San Diego, CA (US);

Sushilkumar Gangadharan, San Jose, CA (US);

Rohit Singh, Cary, NC (US);

Assignee:

NETAPP, INC., San Jose, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0659 (2013.01); G06F 3/0613 (2013.01); G06F 3/0688 (2013.01); G06F 12/0238 (2013.01); G06F 2212/1016 (2013.01);
Abstract

Methods and systems for a storage environment are provided, including generating a plurality of child (or tetris) write requests to write data for a write request using a plurality of subdivisions of a plurality of logical zones defined for a plurality of zoned solid state drives (ZNS SSDs) of a RAID array, each LZone mapped to one or more logical RAID zone (RZone) of the ZNS SSDs having a plurality of physical zones across a plurality of independent media units of each ZNS SSD; assigning a sequence number to each child (or tetris) write request corresponding to each subdivision, the sequence number indicating an order in which the child (or tetris) write requests are to be processed; and selecting, based on the assigned sequence number, one or more subdivisions for sequentially writing data to one or more RZones of the plurality of ZNS SSDs.


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