Node Capacity Expansion Method in Storage System and Storage System

A node capacity expansion method in a storage system and a storage system, where the storage system includes a first node, and a data partition group and a metadata partition group are configured for the first node, where the data partition group includes a plurality of data partitions, the metadata...

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Bibliographic Details
Main Authors Wang, Feng, Tan, Chunhua, Xiao, Jianlong, Wang, Chen, Wang, Qi
Format Patent
LanguageEnglish
Published 09.09.2021
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A node capacity expansion method in a storage system and a storage system, where the storage system includes a first node, and a data partition group and a metadata partition group are configured for the first node, where the data partition group includes a plurality of data partitions, the metadata partition group includes a plurality of metadata partitions, and metadata of data in the data partition group is a subset of metadata in the metadata partition group. When a second node is added to the storage system, the first node splits the metadata partition group into at least two metadata partition subgroups, and migrates a first metadata partition subgroup in the at least two metadata partition subgroups and metadata in the first metadata partition subgroup to the second node.
Bibliography:Application Number: US202117239194