A method for constructing multi-availability mechanism coexistence framework of concurrent storage system
A storage system and availability technology, applied in transmission systems, special data processing applications, instruments, etc., can solve the problems of storage space waste, system performance loss, etc., to meet availability requirements, service quality assurance, avoid performance loss and storage space wasteful effect
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[0032] refer to figure 1 As shown in the figure, the parallel storage system applying this architecture is composed of multiple nodes, and the nodes are interconnected through the network. Nodes can be divided into four types according to their functions: metadata nodes, data nodes, client nodes, and system management nodes. Metadata nodes store the description information of logical data and respond to access requests for this information. Logical data is divided into data blocks and stored on multiple data nodes. Client nodes are consumers of logical data. The management node provides system configuration and management functions for system administrators.
[0033] refer to figure 2 As shown, the file access process of the parallel storage system when there is no fault is: first, access the metadata service module through the function in the client framework to obtain the metadata information of the logical data. The client framework calls the function corresponding to...
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