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High-usability cluster node management method

A node management and node technology, applied in digital transmission systems, electrical components, error prevention, etc., can solve the problems of heartbeat processing delay, affecting cluster high availability, etc., to reduce maintenance costs, improve scalability, and improve operation and maintenance efficiency. Effect

Active Publication Date: 2015-04-08
G CLOUD TECH
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Problems solved by technology

[0002] High-availability cluster is a server cluster technology aimed at reducing service interruption time. There are many popular high-availability cluster management technologies, such as HeatBeat, Corosync, etc., but the full peer-to-peer model adopted by HeatBeat and the token acquisition ability adopted by Corosync There are deficiencies in the scheme of sending messages. When the size of the cluster becomes larger, it will cause a delay in heartbeat processing, which will affect the high availability of the cluster.

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  • High-usability cluster node management method

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Embodiment Construction

[0026] Such as figure 1 As shown, the present invention consists of three roles of master node, backup node and common node to form a high-availability cluster node ring structure:

[0027] 1. Master node: The master node is the only role that can modify the node ring structure. When a physical node joins, exits or fails, the master node will modify the node ring structure, and synchronize the node ring structure information to the backup node, and send Information to the necessary nodes to perform specified operations, such as telling a node to modify the predecessor or successor node;

[0028] 2. Backup node: The backup node should keep the node ring structure information synchronized with the master node at any time to ensure that it can take over the work of the master node in time when the master node fails; there can be multiple backup nodes, the closer to the master node, the priority The higher the value, when the master node fails, the highest priority and surviving ...

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Abstract

The invention relates to the technical field of cloud computing cluster management and particularly relates to a high-usability cluster node management method. A cluster node management method has three roles including a main node, a backup node and a common node, wherein the main node is used for managing cluster members and detecting node state; the backup node is used for copying node ring information and replacing the main node when the main node has a fault; the common node is used for processing a main node command and monitoring a precursor node. The high-usability cluster node management method disclosed by the invention can satisfy the function and performance requirements when the cluster scale is increased and is applicable to cluster node management of most high-usability environments.

Description

technical field [0001] The invention relates to the technical field of cloud computing cluster management, in particular to a highly available cluster node management method. Background technique [0002] High-availability cluster is a server cluster technology aimed at reducing service interruption time. There are many popular high-availability cluster management technologies, such as HeatBeat, Corosync, etc., but the full peer-to-peer model adopted by HeatBeat and the token acquisition ability adopted by Corosync There are deficiencies in the scheme of sending messages. When the size of the cluster becomes larger, it will cause a delay in heartbeat processing, thus affecting the high availability of the cluster. Contents of the invention [0003] The technical problem solved by the present invention is to provide a large-scale high-availability cluster node management method; in a large-scale cluster, heartbeat processing performance can be guaranteed. [0004] The tech...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L1/22
Inventor 胡文彬艾建文季统凯
Owner G CLOUD TECH
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