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Online backup method and system for virtual machine

A virtual machine and backup technology, applied in the direction of response error generation, software simulation/interpretation/simulation, redundant data error detection in computing, etc., can solve the problem of reducing virtual machine service performance, virtual machine business interruption, user Data loss and other issues to achieve the effect of improving service performance

Active Publication Date: 2016-01-06
INSPUR BEIJING ELECTRONICS INFORMATION IND
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  • Description
  • Claims
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Problems solved by technology

[0005] In view of this, the present invention provides an online backup method and system of a virtual machine to solve the problem that the suspension of read and write operations during backup in the prior art will lead to business interruption of the virtual machine and loss of user data, thereby reducing the virtual machine's service performance issues

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  • Online backup method and system for virtual machine

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Embodiment Construction

[0036] 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.

[0037] The core of the present invention is to provide an online backup method and system for a virtual machine, so as to solve the problem that the suspension of read and write operations during backup in the prior art will lead to business interruption of the virtual machine and loss of user data, thereby reducing the service performance of the virtual machine The problem.

[0038] In order to enable those skilled in the art to better understand the solution...

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Abstract

The present invention discloses an online backup method and system for a virtual machine. The method comprises: when a backup instruction is detected, opening up a cache space for the virtual machine, and determining whether a write operation for a virtual disk of the virtual machine exists; when determining that the write operation for the virtual disk exists, intercepting write data corresponding to the write operation, and storing the intercepted write data into the cache space; and backuping backup related data of the virtual machine in the virtual disk to a preset backup server. For the situation that the write operation for the virtual disk exactly exists at a moment for backuping the virtual machine, the write operation of the virtual machine does not need to be paused, but a storage space needed for services is provided by the pre-opened-up cache space instead of the virtual disk, so that the services of the virtual machine are smoothly conducted, user data is not lost, and the service performance of the virtual machine is improved.

Description

technical field [0001] The invention relates to the technical field of cloud computing virtual machine management, in particular to an online backup method and system for a virtual machine. Background technique [0002] Today, in the era of cloud computing, virtualization is ubiquitous. Virtualization technology can make full use of expensive hardware resources, and can also isolate the dependencies between hardware architecture and software systems, thereby improving system security performance and computing power. resource utilization. Therefore, it has become a trend for virtual machines to replace physical machines, and the research on virtualization by various companies and research institutes has also become a hot spot. [0003] The virtual machine can abstract the underlying physical system and provide a functionally complete virtual computer for the guest operating system. The main backup objects of the virtual machine include virtual disks, memory and CPU content. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/455G06F11/14
Inventor 袁艳涛
Owner INSPUR BEIJING ELECTRONICS INFORMATION IND
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