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Backup method and device for virtual machine

A virtual machine backup and virtual machine technology, applied in the information field, can solve the problems of virtual machine snapshot corruption and large hard disk resource occupation

Active Publication Date: 2013-03-20
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a virtual machine backup method and device, which are used to solve the problem in the prior art that the snapshot of the virtual machine will occupy a large amount of hard disk resources. Once the local hard disk fails, the snapshot of the virtual machine stored on it may be damaged. question

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  • Backup method and device for virtual machine
  • Backup method and device for virtual machine
  • Backup method and device for virtual machine

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Embodiment Construction

[0020] The embodiment of the present invention is based on cloud storage, so as to realize the backup of the virtual machine.

[0021] Cloud storage is a technology extended and developed from the concept of cloud computing. It refers to the collection of a large number of different types of storage devices in the network through application software through functions such as cluster applications, grid technology, or distributed file systems. Work together to jointly provide data storage and business access functions. When the core of cloud computing system computing and processing is the storage and management of large amounts of data, a large number of storage devices need to be configured in the cloud computing system, then the cloud computing system will be transformed into a cloud storage system, so cloud storage is a data storage In the cloud computing system with management as the core, cloud storage is referred to as cloud storage server in the embodiment of the presen...

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Abstract

The invention provides a backup method and a backup device for a virtual machine. The method comprises the following steps of: acquiring information of at least one virtual machine on a physical machine; carrying out snapshot treatment on the information of the virtual machine and generating a local snapshot file; and uploading the local snapshot file into a cloud storage server so as to back up the local snapshot file in the cloud storage server. According to the backup method and the backup device for the virtual machine, which are provided by the invention, the information of the virtual machine is subjected to snapshot and the generated local snapshot file is uploaded into the cloud storage server to be backed up, so that the snapshot of the virtual machine cannot occupy a great amount of hard disk resources; and moreover, once a local hard disk goes wrong, the snapshot file of the virtual machine, which is stored in the cloud storage server, cannot be influenced, so that the virtual machine established on the local hard disk can be rapidly recovered and an interrupted service or lost data of a user is reduced.

Description

technical field [0001] The invention relates to information technology, in particular to a virtual machine backup method and device. Background technique [0002] Virtualization technology is one of the most critical technologies in the era of cloud computing. Virtualization technology is to virtualize multiple operating systems on a physical machine, and these systems are so-called virtual machines. In an actual production environment, especially in a public cloud system, a virtual machine is created on the local hard disk of the physical server itself. [0003] In the prior art, a virtual machine is established on a local hard disk, and after a snapshot backup is performed on the virtual machine, the snapshot of the virtual machine is stored on the local hard disk. However, in the prior art, a snapshot of a virtual machine occupies a large amount of hard disk resources, and once a local hard disk fails, the snapshot of the virtual machine stored thereon may be damaged. ...

Claims

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Application Information

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IPC IPC(8): G06F11/14
Inventor 邓浩张云勇陈清金周巍
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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