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Method for achieving backup and disaster recovery of system by utilizing virtual machine

A disaster recovery and system implementation technology, applied in the field of computer systems, can solve problems such as failure to generate status detection packages, complicated process, and conflicts, so as to reduce time and cost and avoid conflicts in file reading

Active Publication Date: 2012-07-04
CHINA STANDARD SOFTWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, disaster recovery software running on computer systems can suffer from problems that are similar to those of backup software
When the application is opening or using certain files, the disaster recovery software reads the file and generates a detection package at the same time, so a conflict occurs, and the application prevents the disaster recovery software from reading the file, resulting in the generation of a state detection package failed
In addition, if you want to restart the application running on the first computer system on the second computer system, you need to copy all the running status of the application to the second computer system, and this process is very complicated

Method used

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  • Method for achieving backup and disaster recovery of system by utilizing virtual machine
  • Method for achieving backup and disaster recovery of system by utilizing virtual machine
  • Method for achieving backup and disaster recovery of system by utilizing virtual machine

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Embodiment Construction

[0029] In order to make the features and advantages of the present invention more clearly understood, below in conjunction with accompanying drawing, describe in detail as follows: figure 1 As shown, it describes the schematic diagram of the single computer system structure after installing the Xen virtual machine on the linux operating system. The system includes a domain 0 (Domain 0), which is a modified Linux kernel (kernel) and is the only one running on The virtual machine on the Xen Hypervisor (management program), which has access to physical I / O resources, and interacts with other virtual machines running on the system at the same time, it has special management rights, it can build multiple virtual machines, It also manages virtual devices, and can perform management tasks such as suspending virtual machines. In this system, the computer system that the user needs to use is installed on the virtual machine domain 1, and one or more application programs can be run on t...

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Abstract

The invention provides a method for achieving backup and disaster recovery of a system by utilizing a virtual machine, which utilizes a Remus module of a Xen virtual machine to achieve the disaster recovery of a computer system and utilizes a libvirt bank commonly used by all the virtual machines to achieve the backup of the computer system. When the disaster recovery and the backup are achieved by utilizing the virtual machine operating the computer system, no extra installation of disaster recovery and backup software is required, time and cost for maintaining and upgrading a disaster recovery program and a backup program are reduced, and the problems of file read conflict and the like occurring in a traditional disaster recovery and backup method can be effectively avoided.

Description

technical field [0001] The present invention relates to the related fields of computer systems, in particular to a method for realizing system backup and disaster recovery by using a virtual machine. Background technique [0002] During the operation of the computer system, the computer system and its components will suffer from various failures, and these failures will lead to the loss of data in the computer system. For example, a storage device in a computer system may experience a sudden failure (such as a sudden power outage) that renders data stored on the device unreadable. Operation of software or hardware errors can cause data errors on the storage device, and any other computer system or component associated with the storage device may malfunction due to the data error. [0003] In order to reduce the risk of data loss, users of computer systems will copy data into multiple copies and store them on different storage devices. On the other hand, the user will often...

Claims

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Application Information

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IPC IPC(8): G06F11/14G06F9/455
Inventor 兰雨晴蒋涛宋潇豫夏颖
Owner CHINA STANDARD SOFTWARE
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