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Service recovery method and system of distributed system

A distributed system and business recovery technology, applied in the field of distributed systems, can solve problems such as misses and decision-making mistakes, and achieve the effect of reducing operation difficulty, shortening repair time, and quickly restoring distributed system business

Inactive Publication Date: 2020-05-08
GUANGDONG VTRON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This series of operations will take at least a few minutes. If the control room is applied to the emergency command system, in the emergency command situation, the difference is a thousand miles away. Therefore, it is possible to miss some key information in a few minutes. leading to poor decision-making

Method used

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  • Service recovery method and system of distributed system
  • Service recovery method and system of distributed system
  • Service recovery method and system of distributed system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 As shown, a service recovery method of a distributed system in this embodiment includes the following specific steps:

[0031] S101, when detecting that the network connection of node is disconnected, it is determined that the node in disconnected state is a faulty node, and records the IP address of the faulty node;

[0032] S102. Sending a prompt message that the standby node replaces the faulty node through physical replacement;

[0033] S103. Send a broadcast instruction for device discovery;

[0034] S104. Receive the status information reported by the standby node after receiving the broadcast instruction for device discovery;

[0035] S105. Determine that the standby node is an available standby node according to the status information reported by the standby node;

[0036] S106. Send an IP address modification instruction to the backup node to modify the IP address of the faulty node;

[0037] S107. Re-establish the network connection with t...

Embodiment 2

[0059] The difference from Embodiment 1 is that a business recovery method of a distributed system in this embodiment is a method of how to repair multiple faulty nodes when more than one faulty node is detected by step S101 of Embodiment 1 .

[0060] Such as figure 2 As shown, the specific steps of a service recovery method for a distributed system in this embodiment include:

[0061] S201. When it is detected that the network connection of a node is disconnected and there are multiple nodes in the disconnected state, it is determined that the plurality of disconnected nodes are faulty nodes, and the IPs of multiple faulty nodes are recorded address;

[0062] S202. Perform numbering and sorting on multiple faulty nodes according to a preset numbering rule;

[0063] S203, perform following steps S204-S209 cyclically according to the serial number of failure node so that all failure nodes are replaced by available standby nodes;

[0064] S204. Sending a prompt message that...

Embodiment 3

[0073] The invention also provides a service restoration system of a distributed system. Such as image 3 As shown, the present embodiment is a service recovery system of a distributed system, which specifically includes:

[0074] Monitoring module 301, for monitoring and the network connection of all nodes, when detecting that the network connection of node is disconnected, it is determined that the node in disconnected state is a faulty node, and records the IP address of the faulty node;

[0075] Prompt information issuing module 302, for sending the prompt information that the backup node will be replaced by the physical replacement mode of the failed node;

[0076] A broadcast module 303, configured to send a broadcast instruction for device discovery;

[0077] The receiving module 304 is configured to receive the status information reported by the standby node after receiving the broadcast instruction of device discovery;

[0078] Standby node determination module 305...

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Abstract

The invention relates to a service recovery method and system of a distributed system. The method comprises the steps of when it is detected that network connection of a node is in a disconnected state, determining the node in the disconnected state as a fault node, and recording the IP address of the fault node; and carrying out replacement processing on the fault node, wherein the replacement processing comprises the steps of sending out prompt information that a standby node replaces the fault node in a physical replacement mode; sending a broadcast instruction discovered by the equipment;receiving state information reported by the standby node after the standby node receives the broadcast instruction discovered by the equipment; determining that the standby node is an available standby node according to the state information reported by the standby node; sending a modification instruction for modifying the IP address into the IP address of the fault node to the standby node; and reestablishing the network connection with the standby node and reallocating the service allocated to the fault node to the standby node. According to the invention, when a node of the distributed system fails, the plug and play of the standby node is realized, and the service of the distributed system is quickly recovered.

Description

technical field [0001] The present invention relates to the technical field of distributed systems, and more specifically, to a service recovery method and system for distributed systems. Background technique [0002] Distributed splicing display system and distributed network agent system are commonly used equipment in the control room. Among them, the distributed splicing system usually includes multiple distributed splicing nodes, each node is responsible for displaying a certain part of the screen of the splicing wall, and multiple nodes perform their own duties to form a splicing display system together. The distributed network seat system usually has a sending box and a receiving box, the sending box is connected to the business computer, the receiving box is connected to the keyboard, mouse and monitor, and the audio, video and keyboard and mouse information are transmitted through the network, so as to achieve the effect of man-machine separation and one machine with...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L29/12
CPCH04L41/0654H04L41/0663H04L41/0631H04L61/5007
Inventor 董友球杜铁军
Owner GUANGDONG VTRON TECH CO LTD
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