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File storage method of cluster file system and cluster file system

A cluster file system and file storage technology, applied in the field of file systems, can solve the problems of cluster file system expansion center node and metadata server limitations, etc.

Inactive Publication Date: 2016-06-01
TOYOU FEIJI ELECTRONICS
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Problems solved by technology

[0005] The main purpose of the present invention is to provide a method for storing files in a cluster file system, aiming to solve the technical problem that the expansion of the cluster file system is limited by the central node and the metadata server

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  • File storage method of cluster file system and cluster file system
  • File storage method of cluster file system and cluster file system
  • File storage method of cluster file system and cluster file system

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no. 1 example

[0059] refer to figure 1 , which is the first embodiment of the method for storing files in a cluster file system according to the present invention, the method for storing files in a cluster file system includes:

[0060] Step S100, according to the number N of nodes in the cluster file system, divide the result value of the preset message digest algorithm into N result value ranges, wherein: the storage range of the node is one-to-one with the N result value ranges correspond;

[0061] According to the number N of nodes in the cluster file system, the result value of the preset message digest algorithm is divided into N result value ranges according to the preset algorithm, so that the storage range of the node corresponds to the N result value ranges one-to-one.

[0062] A possible implementation method is: the preset summary result algorithm is the MD5 algorithm, and the MD5 value is divided into N equal parts according to the number N of nodes, and each MD5 value range c...

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Abstract

The invention discloses a file storage method of a cluster file system. The method comprises the steps that a result value of a preset message digest algorithm is divided into N result value ranges according to the number N of nodes in the cluster file system, wherein storage ranges of the nodes are in one-to-one correspondence with the N result value ranges; catalog information of a file is obtained, and a digest result value is generated through the preset message digest algorithm according to the catalog information; the file is stored in the node within the corresponding storage range according to the generated digest result value. The invention further discloses the cluster file system. By means of the file storage method of the cluster file system and the cluster file system, extension of the cluster file system is not limited by a center node and a metadata server any more.

Description

technical field [0001] The invention relates to the field of file systems, in particular to a file storage method of a cluster file system and a cluster file system. Background technique [0002] In recent years, the cluster file system has become a new trend in the development of computer technology. The cluster file system organically combines multiple single independent hosts into a systematic whole, and relies on the storage area network to provide a shared storage application of a large-capacity file system. It realizes multi-concurrent user operations and large data transmission in the storage area network. [0003] With the development of cluster storage technology, the distribution of the cluster file system is particularly important to the scalability of the cluster. Since most cluster file systems are implemented by means of central nodes and metadata servers. Its defect is that the expansion of the cluster file system is limited by the central node and the meta...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/128G06F16/13G06F16/182
Inventor 张勤
Owner TOYOU FEIJI ELECTRONICS
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