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Disaster tolerance switching method, system and device

A disaster-tolerant switching and disaster-tolerant technology, applied in the field of communications, can solve problems such as long database recovery time

Active Publication Date: 2010-09-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The embodiment of the present invention aims to provide a disaster recovery switching method, system, server device and client device to solve the problem of long database recovery time

Method used

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  • Disaster tolerance switching method, system and device
  • Disaster tolerance switching method, system and device
  • Disaster tolerance switching method, system and device

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Embodiment Construction

[0024] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0025] figure 2 A flow chart showing a disaster recovery switching processing method according to an embodiment of the present invention, including the following steps:

[0026] Step S10, the disaster recovery client on the production side instructs the first database on the production side to write the data in the cache into the first storage on the production side device, and clear the log;

[0027] Step S20, synchronizing the written data from the first storage device to the second storage device on the disaster recovery side;

[0028] Step S30, the disaster recovery server on the disaster recovery side makes a snapshot of the data of the second storage device;

[0029] Step S40, using the snapshot to start the second database on the disaster recovery side, and the started second database performs a self-recovery operation acc...

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Abstract

The invention provides a method for switching disaster-tolerance, which includes the steps that: a disaster-tolerance client at a production side instructs a first database at the production side to write data in the cache into a first storage device at the production side and empty a log after the disaster-tolerance switching is started; the written data is synchronized from the first storage device to a second storage device at a disaster-tolerance side; a disaster-tolerance service terminal at the disaster-tolerance side makes a snapshot to the data in the second storage device; a second database at the disaster-tolerance side is started by using the snapshot, and the started second database carries out self-restoration operation according to the newly-generated log after being emptied. The invention also provides a disaster-tolerance switching system, a disaster-tolerance switching device at a service terminal and a disaster-tolerance switching device at the client. The invention shortens the restoration time of the database during the disaster-tolerance restoration period.

Description

technical field [0001] The present invention relates to the communication field, and more specifically, to a disaster recovery switching method, system, server device and client device. Background technique [0002] In the process of network equipment processing, there may sometimes be large-scale interruptions, unable to provide services normally, and cannot be resolved within a certain period of time. This situation is called a data disaster. Typical examples include natural disasters such as fires, explosions, earthquakes, and floods. Reasons, as well as disasters caused by unnatural causes such as power supply, machine failure, and human factors. There are a large amount of data resources stored in the storage device of the telecom operation system. Once a data disaster occurs and the device stops running, it will cause a large area of ​​users to be unable to use the business normally, and it will also cause a lot of economic losses for the operator. [0003] The remote...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L1/22H04L12/26G06F17/30
Inventor 袁继伟李晓明张永森李一鸣何伟杨洁邓志杰
Owner HUAWEI TECH CO LTD
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