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A mirror image management method and a mirror image management module

A management module and management method technology, applied in the field of image management methods and image management modules, can solve problems such as probabilistic failure, image file download failure, and image file cannot be found, and achieve the effect of improving competitiveness and convenience.

Inactive Publication Date: 2019-02-15
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this scenario, when creating (uploading) the image file, one of the nodes where the glance service is located (for example, node 1) will be selected to store the image file, but other components (for example, the nova service or the volume management service in the cloud platform ( That is, the cinder service)) when using the glance service to download the image file, one of the nodes where the glance service is located (not necessarily node 1) will be selected according to load balancing to download and copy the image file, so that an exception will occur that the image file cannot be found , resulting in failure to download the image file, and thus the business process of starting the virtual machine or creating a boot disk is terminated
It can be seen that there are the following disadvantages in the above scenario: first, there will be probabilistic failures when using image files to create virtual machines; second, there will be probabilistic failures when using image files to create boot volumes; third, using the glance command to manually download image files , will fail probabilistically

Method used

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  • A mirror image management method and a mirror image management module
  • A mirror image management method and a mirror image management module
  • A mirror image management method and a mirror image management module

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Embodiment Construction

[0018] Embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0019] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0020] The embodiment of the present application provides a mirror image management method and a mirror image management module, aiming at the scene where the glance service is deployed on multiple nodes and the back end is connected to the local storage of lvm, compared with the traditional process of creating (uploading) mirror image files, this application...

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Abstract

The invention discloses a mirror image management method and a mirror image management module, which are applied to at least two nodes of a cloud platform, and each node is provided with a mirror image management module. The mirror image management method comprises the following steps: a mirror image management module deployed on any node generates a mirror image file according to the mirror imagecreation parameter and stores the mirror image file on the node; the mirroring auto-synchronization script is invoked to synchronize the image files to the remaining nodes where the mirroring management module is deployed. The present application realizes automatic mirror synchronization for a scenario in which a mirror management module is deployed at a plurality of nodes and a mirror file is stored locally using an lvm.

Description

technical field [0001] This application relates to but is not limited to the technical field of cloud computing, in particular to an image management method and an image management module. Background technique [0002] The virtual machine image (hereinafter referred to as the image) is actually a file containing the contents of the entire virtual disk. This virtual disk is also the system disk of the virtual machine, including a bootable operating system. The so-called cloud virtual machine image is an image that meets certain requirements (for example, installing specific software, configuring specific services, etc.), so as to cooperate with the completion of image-related functions of the cloud platform. [0003] Mirroring is an integral part of the cloud platform. Using various customized images, virtual machines and boot volumes for different purposes can be quickly created on the cloud platform. For example, using an image installed and configured with the Microsoft ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14G06F9/455
CPCG06F11/1464G06F9/45558G06F2009/45562G06F2009/45575
Inventor 马豹苏广峰
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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