A method for eliminating invalid data in the process of windows virtual machine backup

A virtual machine backup and invalid data technology, which is applied in the direction of data error detection, electrical digital data processing, data processing input/output process, etc., can solve the problem of reducing the amount of backup data and the inclusion of invalid backup data Data, shorten processing time and other issues, to achieve the effect of reducing the amount of backup data, shortening processing time, and avoiding the process of installing agents

Active Publication Date: 2020-08-25
成都云祺科技有限公司
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  • Claims
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a method for eliminating invalid data in the backup process of a windows virtual machine in an agentless environment, so as to solve the problem of a large amount of invalid data mixed in the backup data, thereby reducing the amount of backup data, shortening the processing time, and reducing the Data transfer load and reduced space consumption of backup storage media

Method used

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  • A method for eliminating invalid data in the process of windows virtual machine backup
  • A method for eliminating invalid data in the process of windows virtual machine backup
  • A method for eliminating invalid data in the process of windows virtual machine backup

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Embodiment Construction

[0063] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and provides a detailed implementation manner and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0064] The structure of backup configuration file, backup data record and exclusion data record in the present invention is as follows: figure 1 .

[0065] The backup configuration file F is used to record the configuration items of backup and recovery, and is saved on the backup server, including the maximum data length Fl, enable conflict handling flag Fc, exclude swap file flag Fp, exclude hibernation file flag Fh, and exclude recycle bin file flag Fd , User-defined exclusion directory Fu.

[0066] Backup data record D is used to describe valid backup data, including vi...

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Abstract

The invention discloses a method for eliminating invalid data in a Windows virtual machine backup process. The method comprises a backup initialization step, a scanning partition gap step, a scanningeffective data step according to the partition, a backup data record generation and transmission step, an excluding data record generation and transmission step, a backup data recovery step and a conflict processing step. The technical scheme provided by the invention achieves the purpose of reducing the amount of backup data, at the same time, the processing time is shortened, the data transmission load is lightened, and the space occupation of the backup storage medium is reduced.

Description

technical field [0001] The invention relates to the technical field of computer data backup, in particular to a method for eliminating invalid data in a Windows virtual machine backup process. Background technique [0002] In the early days of virtualized backup, backup applications treated virtual machines and physical machines as equals by installing backup agents to virtual machines, and collected data from operating systems, file systems, or applications. Such a method has disadvantages such as a lot of system resource occupation, a large agent management overhead, and many software compatibility problems. [0003] In contrast, the agentless backup method can save the overhead of agent management, and can also reduce the occupation of system resources. Most existing backup applications implement agentless backup based on backup interfaces provided by virtualization platforms, such as VADP, VSS, or Xen API. This type of backup interface can return the data of all sector...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06G06F11/14G06F9/455
CPCG06F3/0614G06F3/0644G06F9/45533G06F11/1458
Inventor 谢俊峰彭超黄传波涂磊谢卓伟
Owner 成都云祺科技有限公司
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