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Distributed data storage method, device and system

A technology of distributed data and storage devices, applied in the computer field, can solve the problem of high cost and achieve the effect of reducing cost

Active Publication Date: 2017-07-25
SANGFOR TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when enterprises adopt SAN technology, they need to purchase servers, storage devices and connection devices separately, so the cost is very high.

Method used

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  • Distributed data storage method, device and system
  • Distributed data storage method, device and system
  • Distributed data storage method, device and system

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Embodiment Construction

[0056] In order to make the object, 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 embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0057] In one embodiment, in order to solve the aforementioned problems, a distributed data storage method is proposed, which can be based on a computer program and run on a computer system based on the Von Neumann architecture. Such asfigure 1 as shown, figure 1 A distributed storage system is shown, including a management node 10 and a storage node 20 . The distributed data storage method can run on the management node 10 .

[0058] exist figure 1 Among them, the management node 10 is used to manage the storage node 20 and provide data storage service for the terminal 30 . The management node...

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Abstract

The present invention provides a distributed data storage method, comprising: obtaining a physical disk of a storage node, creating a virtual disk that maps the physical disk; receiving an input service I / O request, and obtaining the The disk identifier of the virtual disk and the corresponding virtual disk offset; find the storage node corresponding to the disk identifier of the virtual disk and the corresponding virtual disk offset, the disk identifier of the physical disk on the storage node and the corresponding physical Disk offset: generating an I / O command according to the disk identifier of the found physical disk and the corresponding physical disk offset, and sending it to the found storage node. In addition, a distributed data storage device and system are also provided. The above distributed data storage method, device and system can reduce the procurement cost of the distributed storage network.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a distributed data storage method, device and system. Background technique [0002] With the rapid development of SAN (storage area network, storage area network) technology, the technology of separating servers from storage has been widely used by various enterprises. [0003] In the traditional technology, data is stored on the storage nodes, and the server group is connected to the storage nodes through the SAN network, and reads data from the storage nodes. However, when enterprises adopt SAN technology, they need to purchase servers, storage devices and connection devices separately, so the cost is very high. Contents of the invention [0004] Based on this, it is necessary to provide a distributed data storage method that can reduce costs. [0005] A distributed data storage method, the method comprising: [0006] Obtain a physical disk of the storage node, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
Inventor 张国军赵辉宇
Owner SANGFOR TECH INC
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