STRIPE RECONSTRUCTION METHOD IN STORAGE SYSTEM AND STRIPING SERVER

A stripe reassembling method is provided, including: A stripe server selects stripes (701); uses data strips (D21, D32 and D13) including valid data in the stripes S1, S2, and S3 as data strips in a new stripe S4, and generates data of a parity strip P41 for data of a data strip in S4 according to a...

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Bibliographic Details
Main Authors XIE, Huiyun, WANG, Tonglei, ZHAN, Yun
Format Patent
LanguageEnglish
French
German
Published 03.05.2023
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A stripe reassembling method is provided, including: A stripe server selects stripes (701); uses data strips (D21, D32 and D13) including valid data in the stripes S1, S2, and S3 as data strips in a new stripe S4, and generates data of a parity strip P41 for data of a data strip in S4 according to an EC algorithm the same as that of S1, S2, and S3 (702); and stores the parity data of the parity strip P41 on a parity storage node N1 (703). In a plurality of selected to-be-reassembled stripes, a maximum of one data strip includes valid data in data strips distributed on a same data storage node, a data strip that includes valid data and that is in the plurality of stripes is used as data of a data strip in a new stripe, parity data of a parity strip is generated for the data of the data strip in the new stripe, and the parity data of the parity strip is stored in a corresponding parity storage node.
Bibliography:Application Number: EP20190901639