Data transmission method, device and system

A data transmission method and equipment technology, which is applied in the field of data transmission and can solve problems such as inaccessibility of basic data

Active Publication Date: 2012-05-02
HUAWEI CLOUD COMPUTING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a data transmission method, device, and system, which can solve the problem in the prior art that basic data is inaccessible within the data copy and transmission time due to redistribution of basic data between independent storage devices

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  • Data transmission method, device and system
  • Data transmission method, device and system
  • Data transmission method, device and system

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0027] In order to make the advantages of the technical solution of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0028] like figure 2 As shown, the data transmission method provided by the embodiment of the present invention, the method includes:

[0029] Step 101. Create data fragments according to trigger conditions and pre-configured fragment parameter va...

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PUM

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Abstract

The invention discloses a data transmission method, a device and a system, relating to the technical field of data transmission. The embodiment solves the problem that partial data cannot be accessed within the data copying time when the data re-distribution is performed between independent memory devices in the prior art. The data transmission method comprises the following steps of: building a data fragment according to the triggering condition and the pre-configured fragment parameter value; receiving the update request of the basic data located in transmission state; storing the update operation and the update content in the update request to the data fragment; when the storing state of the data fragment is saturated state, closing the data fragment and sending the update operation and the update content to the target independent memory device so that the target independent memory device can update the basic data according to the update operation and the update content. The invention is applicable to the technical field of data transmission, such as a distribution type memory system, a distribution type database and a database backup system.

Description

technical field [0001] The present invention relates to the technical field of data transmission, in particular to a data transmission method, device and system. Background technique [0002] A distributed storage system is a cluster system that stores data in multiple independent storage devices. In order to ensure data reliability, the same data needs to be stored on multiple independent storage devices, and generally three copies of the same data are saved in the system. If any one of the independent storage devices has a problem, such as failure or heavy load, any one of the other two independent storage devices needs to re-store the data stored on the three independent storage devices on the three independent storage devices. Distributed on another independent storage device other than the device, so that three copies of the same data can be re-formed in the distributed storage system. [0003] Its redistribution process, such as figure 1 As shown, after a device tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06F12/02
CPCG06F3/0647G06F3/0659G06F12/02G06F3/0611G06F3/067G06F3/06
Inventor 马苏德・莫塔扎维陈坚阿尔维斯・莱克张宇
Owner HUAWEI CLOUD COMPUTING TECH CO LTD
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