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Cluster voting arbitration method and system

An arbitration method and an arbitration system technology, which are applied in the field of cluster voting arbitration methods and systems, and can solve problems such as loss of high availability of clusters, inability to work normally, and node failures.

Inactive Publication Date: 2017-05-31
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, when a node with voting arbitration rights fails and the total number of failed nodes with voting arbitration rights exceeds half of all nodes with voting arbitration rights, the cluster will not be able to perform arbitration, resulting in failure to work normally, thereby damaging Cluster High Availability

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Embodiment Construction

[0040] 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 making creative efforts belong to the protection scope of the present invention.

[0041] The embodiment of the present invention discloses a cluster voting arbitration method, see figure 1 shown, including:

[0042] Step S11: According to the preset number of initial voting nodes, select a corresponding number of nodes from the cluster, and grant voting arbitration rights to the selected nodes.

[0043] In this embodiment, the above-mentioned initial number of voting nodes can be specifically set by the user according to the actual situati...

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Abstract

The invention discloses a cluster voting arbitration method. The cluster voting arbitration method comprises the following steps: according to the number of initial voting nodes set in advance, screening the corresponding number of the nodes from a cluster, and endowing voting arbitration rights to the screened nodes; performing real-time monitoring on the cluster; and if monitoring that the nodes having the voting arbitration rights in the cluster occur a failure fault, removing the nodes which occur the failure fault from the cluster, and cancelling the voting arbitration rights of the nodes which occur the failure fault, and then correspondingly updating the number of the nodes currently having the voting arbitration rights. According to the cluster voting arbitration method, the number of the nodes having the voting arbitration rights is dynamically updated along with the failure of the voting nodes, so the high availability of the cluster can further be improved; and in addition, the invention further discloses a cluster voting arbitration system correspondingly.

Description

technical field [0001] The invention relates to the technical field of cluster management, in particular to a cluster voting arbitration method and system. Background technique [0002] A cluster is a system of computers that, as a whole, provides users with a set of network resources. Among them, a single computer in the cluster is called a node of the cluster. High availability is an important indicator used to judge cluster performance. High-availability clusters have better reliability and are widely used. [0003] 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. If a node fails, its backup node will take over its duties within seconds. In the prior art, a high-availability cluster usually adopts a voting arbitration mechanism to ensure the high availability of the cluster, that is, a fixed number of nodes are selected fro...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
CPCH04L41/0659H04L41/30
Inventor 楚光庆
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD