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Distributed file system and data access method thereof

A distributed file and metadata technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., to achieve the effect of ensuring transmission efficiency and reliability

Active Publication Date: 2011-03-30
LENOVO (BEIJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Existing cloud computing storage technology cannot improve data reliability while improving data transmission efficiency.

Method used

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  • Distributed file system and data access method thereof
  • Distributed file system and data access method thereof
  • Distributed file system and data access method thereof

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Embodiment Construction

[0048] In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0049] Embodiments of the present invention aim at the problem that cloud storage systems in the prior art cannot improve data reliability while improving data transmission efficiency, and provide a distributed file system and a data access method thereof.

[0050] Such as figure 2 As shown, the distributed file system of the embodiment of the present invention includes: at least one client server (Client Server), at least one metadata server (Meta Data Server), at least one object server (Object Server), and metadata center server (Meta Data Center Master);

[0051] Among them, at least one client server is used to receive the client's access request, and the client can be any personal PC or enterprise PC or other communication equipm...

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Abstract

The invention provides a distributed file system and a data access method thereof. The system comprises at least one client server, a metadata central server, at least one metadata server and at least one object server, wherein the at least one client server is used for receiving an access request from a client; the metadata central server is used for returning a currently available global uniquemetadata server identifier of the metadata server to the client server according to the access request of the client; the at least one metadata server is used for receiving file information transmitted according to the global unique identifier of the metadata server by the client server, and returning a currently available global unique object server identifier of the object server to the client server according to the file information; and the at least one object server is used for generating an access result in response to access contents transmitted according to the global unique identifier of the object server by the client server, and returning the access result to the client by the client server. The distributed file system and the data access method thereof greatly improve the reliability of the system at the same time of not influencing the data transmission efficiency.

Description

technical field [0001] The invention relates to the technical field of computer storage, in particular to a distributed file system and a data access method thereof. Background technique [0002] In the field of computer storage, cloud computing (Cloud Computing) is the development of distributed processing (Distributed Computing), parallel processing (Parallel Computing) and grid computing (Grid Computing), or distributed processing, parallel processing and grid computing. Commercial implementation of computer science concepts. The basic principle of cloud computing is: by distributing calculations on a large number of distributed computers instead of local computers or remote servers, the operation of the enterprise's data center is similar to the Internet, enabling the enterprise to switch resources to the required applications. , to access computers and storage systems as needed. In other words, cloud computing is to use a specific network computer group to realize the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/56H04L29/08
Inventor 卢亿雷赵晓睿
Owner LENOVO (BEIJING) CO LTD
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