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.
Patent No.:
Date of Patent:
Jan. 25, 2022
Filed:
Jul. 23, 2020
Applicant:
Western Digital Technologies, Inc., San Jose, CA (US);
Inventors:
Kapil Sundrani, Bangalore, IN;
Karimulla Sheik, Bangalore, IN;
Assignee:
Western Digital Technologies, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/0804 (2016.01); G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0804 (2013.01); G06F 12/0238 (2013.01); G06F 12/0246 (2013.01); G06F 2212/1032 (2013.01); G06F 2212/217 (2013.01); G06F 2212/262 (2013.01);
Abstract
Example storage systems, storage devices, and methods provide a write group journal for identifying incomplete writes. Related write request indicators are stored in a non-volatile journal in a solid state drive to identify a related write group and indicate whether the related write group has been stored in storage locations corresponding to physical page addresses. As the write requests for the related write group are processed, the related write request indicator is updated to allow incomplete write groups to be identified in the event of a failure.