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Management method, device and computer of incremental files

An incremental file and management method technology, applied in the field of incremental file management methods and devices, can solve the problems of multi-storage space, incremental file waste, and inability to effectively manage incremental files, etc. The effect of storage space

Active Publication Date: 2013-02-13
LENOVO (BEIJING) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In the process of backing up files for existing virtual machines, incremental files cannot be effectively managed, causing incremental files to waste a lot of storage space

Method used

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  • Management method, device and computer of incremental files
  • Management method, device and computer of incremental files
  • Management method, device and computer of incremental files

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Embodiment Construction

[0045] In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0046] The embodiment of the present invention aims at the problem that incremental files cannot be effectively managed in the prior art, causing incremental files to waste more storage space, and provides a method for managing incremental files that can save the storage space of a virtual machine system , devices and computers.

[0047] Such as figure 1 As shown, the incremental file management method of the embodiment of the present invention is applied to a virtual machine system including multiple operating systems, and the method includes:

[0048] Step 11, obtaining the file information updated through the front-end operating system;

[0049] Step 12, when the updated file belongs to the file to be filtered, write the updated f...

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Abstract

The invention provides a management method, a device and a computer of incremental files. The method comprises the following steps: acquiring a file updated by a front-end operating system; when the updated file belongs to the file to be filtered, writing the updated file into a temporary storage area, wherein, the file size is a first value; processing the file in the temporary storage area to obtain a file the size of which is a second value, wherein, the second value is less than the first value; when the updated file does not belong to the file to be filtered, writing the updated file into the incremental files; and changing the size of the temporary storage area according to the file size as the second value. By adopting the technical proposal in the invention, the storage space of a virtual machine system can be saved.

Description

technical field [0001] The invention relates to the field of computers, in particular to a method and device for managing incremental files. Background technique [0002] When there is a problem with the computer system, system quick restore can help the user to quickly restore the previously set working state, thereby avoiding certain problems in the computer system. [0003] The fast restoration of the system hard disk through the virtual machine has wider versatility, security and portability. No matter how the system is started, the files on the operating system can be accessed normally, and it can also prevent the interference and penetration of various viruses and destroy the data of the user's previous restore point. There are also some problems when performing backup and restoration, that is, after the system sets a restore point in the virtual machine, any subsequent write operations on the hard disk will bring about the expansion of incremental files, especially t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30G06F11/14
Inventor 席振新陈博仇俊
Owner LENOVO (BEIJING) LTD
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