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Distributed file system access method, a metadata server and client side

A metadata server and distributed file technology, applied in transmission systems, electrical digital data processing, special data processing applications, etc., can solve problems such as low operating efficiency, high complexity, and large processing delay, and achieve improved operating efficiency , Reduce processing delay, reduce the effect of coupling

Inactive Publication Date: 2011-07-06
HUAWEI DIGITAL TECH (CHENGDU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present invention provides a distributed file system access method, metadata server and client to solve the problems of high complexity, low operation efficiency and large processing delay caused by adopting the metadata partition strategy

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  • Distributed file system access method, a metadata server and client side
  • Distributed file system access method, a metadata server and client side
  • Distributed file system access method, a metadata server and client side

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] figure 1 It is a flow chart of Embodiment 1 of the distributed file access method of the present invention, as shown in the figure, including the following steps:

[0031] Step 101, the metadata server receives the metadata access request sent by the client, and the metadata server is the metadata server with the least number of visit...

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Abstract

The embodiment of the invention relates to a distributed file system access method, a metadata server and a client side. The method comprises the following steps: the metadata server is used for receiving a metadata access request transmitted by the client side; the metadata server is accessed for minimum times in a metadata server cluster; the corresponding metadata is accessed according to the metadata access request; and the accessed frequency of the metadata server in the server domain information stored in all the metadata servers in the metadata server cluster is updated. Through the embodiment of the invention, the uniform load sharing can be realized so as to avoid the situation that when any metadata server become a focus, a plurality of metadata servers are required to be cooperated to process the metadata access request to a certain degree, therefore the operating efficiency is improved, and the processing delay is reduced.

Description

technical field [0001] Embodiments of the present invention relate to the field of distributed file systems, in particular to a method for accessing distributed file systems, a metadata server and a client. Background technique [0002] The object storage file system is a distributed storage system that separates the data path (data read or write) from the control path (metadata) and is built on the basis of an object storage device (Object-based Storage Device, referred to as: OSD), such as " Luster" system, etc. The system mainly includes a client and a metadata server (Metadata Server, MDS for short). Among them, multiple MDSs adopt the cluster operation mode, and divide the metadata into several areas according to the directory tree area, and assign each area to each MDS according to a certain partition strategy. corresponding relationship, and read the required metadata from the corresponding MDS. However, the existing metadata partition strategy is very complex and ...

Claims

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Application Information

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IPC IPC(8): G06F17/30H04L29/08
Inventor 刘镇涛
Owner HUAWEI DIGITAL TECH (CHENGDU) CO LTD
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