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Election method and device used for virtualization cluster

A virtualization and clustering technology, applied in the field of cloud computing, can solve the problems of limiting the number of hosts, occupying a large management bandwidth, and affecting the stability of the cluster, so as to avoid scale and expansion and save management bandwidth.

Active Publication Date: 2014-10-01
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in related technologies, when a host fails, election calculations need to be performed on all remaining hosts, which requires large management bandwidth and limits the number of hosts in the cluster, especially when multiple When a failure occurs, it will greatly affect the stability of the entire cluster

Method used

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  • Election method and device used for virtualization cluster
  • Election method and device used for virtualization cluster
  • Election method and device used for virtualization cluster

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Embodiment Construction

[0027] The present invention calculates the corresponding backup host independently by each host without the participation of other hosts, thereby helping to save the management bandwidth of the virtualization cluster and avoiding restriction on the scale and expansion of the virtualization cluster.

[0028] To further illustrate the present invention, the following examples are provided:

[0029] figure 2 A schematic flowchart of a method for selecting a backup host according to an exemplary embodiment of the present invention is shown.

[0030] Such as figure 2 As shown, the method for selecting a backup host according to an exemplary embodiment of the present invention is applied to any host in a virtualization cluster, including:

[0031] Step 201, obtaining resource occupation parameter information of all hosts in the virtualization cluster;

[0032] Step 202: Determine a backup host of the current host in the virtualization cluster according to the resource occupati...

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Abstract

The invention provides an election method and device used for a virtualization cluster, and the election method and device are used for any host computer in the virtualization cluster. The election method includes the steps that resource occupation parameter information of all host computers in the virtualization cluster is obtained; summation is conducted on the resource occupation parameter information of all the host computers including the current host computer and the other host computers except for the current host computer in the virtualization cluster; whether the summation results are less than or equal to the preset first threshold value or not is judged, and the host computers which do not meet the conditions in the other host computers are screened out and excluded; in the remaining host computers meeting the conditions in the other host computers, the backup host computer corresponding to the current host computer is determined. By the adoption of the technical scheme, when the backup host computer is elected, occupation of too large bandwidth is avoided, and the scale of the virtualization cluster cannot be limited.

Description

technical field [0001] The invention relates to the technical field of cloud computing, in particular to an election method and device for a virtualized cluster. Background technique [0002] In the field of cloud computing, through the use of virtualization technology, business applications are transferred from traditional hardware servers to virtualized server platforms to form corresponding virtualized clusters. Such as figure 1 As shown, a virtualization cluster usually includes a group of physical server hosts, each of which runs one or more virtual machines (VM, Virtual Machine). [0003] In virtualization technology, virtualization clusters are usually used to provide high reliability guarantees for hardware-level failure recovery. The technical goal is to realize that when a host fails, the virtual machines running on it can be run to other available ones in the cluster. host to ensure business continuity. [0004] However, in related technologies, when a host fai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/24
Inventor 罗逸秀
Owner NEW H3C TECH CO LTD
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