METHOD FOR MANAGING DATA STORAGE ARRAY, DEVICE, AND STORAGE MEDIUM

Embodiments of the present application disclose a method for managing a data storage array, a device, and a storage medium. The method comprises: reading data stored in a first data block of a data storage array; upon detecting an uncorrectable codeword in a first page of the first data block, acqui...

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Bibliographic Details
Main Authors SHAN, Mingxing, LUN, Zhiyuan, CHU, Yanxu
Format Patent
LanguageChinese
English
French
Published 07.10.2021
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:Embodiments of the present application disclose a method for managing a data storage array, a device, and a storage medium. The method comprises: reading data stored in a first data block of a data storage array; upon detecting an uncorrectable codeword in a first page of the first data block, acquiring current uncorrectable codeword information of the first data block, wherein the first data block comprises N pages, the first page is any page of the N pages, and N is an integer greater than 1; and determining a risk level of the first data block according to historical uncorrectable codeword information of the first data block and the current uncorrectable codeword information thereof. This approach determines a risk level of the data block on the basis of the current uncorrectable codeword information and the historical uncorrectable codeword information of the data block, and allows data to be selectively stored according to the risk level of the data block in the process of storing the data, thereby reduc
Bibliography:Application Number: WO2020CN82627