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Metadata management method of distributed file system

A distributed file and metadata technology, applied in the storage field, can solve the problem of metadata management that has not been disclosed, and achieve the effect of ensuring consistency and satisfying concurrent access.

Active Publication Date: 2012-04-11
深圳创新科软件技术有限公司 +1
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  • Application Information

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Problems solved by technology

[0003] A technical solution for metadata management based on metadata server clusters in a distributed file system has not yet been disclosed

Method used

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Embodiment Construction

[0011] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0012] The core idea of ​​the present invention is: manage the metadata based on the metadata server cluster, and use the hash function to determine the address of the storage metadata file when storing the metadata, so as to ensure the load balance of the cluster; when storing the metadata, simultaneously Store corresponding copy files in other servers, modify the copy when the metadata is modified, and coordinate the failure through a preset server for coordination when a server fails. In this way, the consistency and integrity of metadata and the load balancing of cluster servers under concurrent access can be ensured.

[0013] figure 1 It is a schematic flow chart of Embodiment 1 of the present invention, such as figure 1 As shown, ...

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Abstract

The invention provides a metadata management method of a distributed file system, which is used for managing metadata on the basis of a metadata server cluster and can ensure consistency of the metadata under concurrent access and load balance of the cluster. By adopting the invention, demands of concurrent access of a plurality of client ends can be effectively met.

Description

technical field [0001] The invention relates to storage technology, in particular to a metadata management method of a distributed file system. Background technique [0002] In existing distributed file systems, a single metadata server is usually used to manage metadata. However, as the number of files grows, it is difficult for a single metadata server to meet the concurrent access requirements of a large number of clients. In view of this situation, it is currently proposed to introduce the concept of metadata server cluster in the distributed file system, that is, to use multiple metadata servers to manage metadata. [0003] Currently, there is no disclosed technical solution for implementing metadata management based on metadata server clusters in a distributed file system. Contents of the invention [0004] In view of this, the main purpose of the present invention is to provide a metadata management method of a distributed file system, which can meet the requireme...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 沈国文吴棣章
Owner 深圳创新科软件技术有限公司
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