A Synchronization Method for Lightweight Hot Standby System

A lightweight, synchronous interface technology, applied in the computer field, to achieve the effect of ensuring consistency, shortening switching time, and reducing resource requirements

Active Publication Date: 2017-12-05
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at present there is no fast, simple and practical method to achieve switching synchronization

Method used

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  • A Synchronization Method for Lightweight Hot Standby System
  • A Synchronization Method for Lightweight Hot Standby System

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Experimental program
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Embodiment Construction

[0028] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] The present invention designs three layers, provides infrastructure for lightweight hot standby real-time synchronization, faces two layers, realizes two kinds of synchronization interfaces respectively, one is the synchronization of network management control data structure NSM, and this data structure is to realize each The basis for application modules. The second type is the synchronization between application modules. This type of module can be dynamically loaded and removed according to application requirements. The synchronization interface designed for this is oriented to each application module. They apply unified data interface rules and synchronization Mechanism, you only need to design the corresponding data structure according to the rules of each application module.

[0030] During hot standby synch...

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Abstract

The invention relates to a method for synchronizing a lightweight hot standby system. The system includes an application module layer, a network control management layer, and a basic platform layer; The control and management data layer provides a basic platform; the network control and management data layer adopts the synchronization of NSM for the connection of the application module layer; the synchronization between the application module layers is used for dynamic loading and unloading according to application requirements. The method includes (1) detecting the application status of the device and obtaining application information; (2) detecting the information of the main board and the standby board of the device and notifying the system after selecting the main board and the standby board; (3) starting the corresponding program and synchronizing the main board and the standby board; 4) When the main board goes down, the backup board takes over immediately, and the backup board is promoted to be the main control board, which notifies the system and starts the required programs. The present invention lightens the system burden, simplifies the competition of resources between two hosts, shortens the switching time, has good usability and takes up less resources.

Description

technical field [0001] The invention belongs to the technical field of computers, and in particular relates to a method for synchronizing a lightweight hot standby system. Background technique [0002] The high-availability cluster adopts redundant hardware and special software, which can quickly restore the system when a problem occurs, greatly improving the availability of the system. The heartbeat mechanism is the basic technology of high-availability clusters. The heartbeat periodically detects the working status of the node machines in the cluster, and when the working status of the node machines changes, it can notify other components of the cluster software. The emergence of high-availability clusters is to make the overall services of the clusters as available as possible, thereby reducing losses caused by computer hardware and software error-prone. It minimizes the impact of software / hardware / man-made failures on the business by protecting the user's business prog...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L29/06
Inventor 王鹤张增华王向群孙晓艳李春龙吴军民张刚黄辉黄在朝于海虞跃姚启桂喻强任杰陈伟黄治于鹏飞邓辉吴鹏王玮沈文侯功陶静刘川陈磊
Owner STATE GRID CORP OF CHINA
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