Multistage-mapping-based large-scale multi-copy distributed storage system and application method thereof
A distributed storage and application method technology, applied in the application field of large-scale multi-copy distributed storage system, can solve the problems of unsupported copies and node weights, unbalanced data hashing, etc., to improve storage utilization and management costs The effect of improving and expanding the system capacity
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[0058] Such as figure 1 As shown, a large-scale multi-copy distributed storage system based on multi-level mapping includes a storage node cluster used to store resources, a management node connected to the storage node cluster to manage the storage node cluster, and a hash mechanism to obtain The client of the resource storage location, and the rule node cluster that connects the management node and the client, accepts the management of the management node, and provides the client with hash mapping rules.
[0059] The following is a detailed description of each part of the system:
[0060] The storage node cluster is composed of all storage nodes. All resources in the system are stored on the storage nodes in the cluster. The storage node and the management node maintain a heartbeat of more than 1 minute to report their own conditions, that is, the disk Usage and current pressure, and accept the unified management of the management node.
[0061] The rule node cluster i...
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