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. 26, 2021

Filed:

Aug. 07, 2018
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Gang Lyu, Shanghai, CN;

Hui Zhang, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/0877 (2016.01); G06F 12/1045 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0877 (2013.01); G06F 12/1045 (2013.01); G06F 2212/603 (2013.01);
Abstract

This disclosure provides a method, a computing system and a computer program product for allocating write data in a storage system. The storage system comprises a Non-Volatile Write Cache (NVWC) and a backend storage subsystem, and the write data comprises first data whose addresses are not in the NVWC. The method includes checking fullness of the NVWC, and determining at least one of a write-back mechanism or a write-through mechanism as a write mode for the first data based on the checked fullness.


Find Patent Forward Citations

Loading…