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Virtual machine system

A technology of virtual machines and operating systems, applied in the computer field, can solve the problems of inability to use virtual machines, high layering and hardware coupling, and achieve the effects of convenient management and maintenance, strong flexibility and security, and improved reliability.

Inactive Publication Date: 2013-05-08
北京伸得纬科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantages of this layering technology are also obvious. For example, when the virtual machine fails and the user's data and applications are superimposed on the normal virtual machine, the operating system, software and data need to be reinstalled. In addition, , the coupling between the layering of this virtual machine and the hardware is too high, and it cannot be used on virtual machines with different configurations.

Method used

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Experimental program
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Embodiment Construction

[0031] Existing virtual machines, such as VMware (virtual PC software), are mainly technologies for layering virtual disks in the virtual machine. When the user adds a new layer in the virtual machine, the virtual machine will create a blank virtual disk with the same size as the current virtual disk of the virtual machine. The file data will be recorded on the newly created virtual disk. Usually users will use this new layer to save the subsequent virtual disk transaction data. When the virtual machine has a problem, the virtual disk data before the new layer is not added can be restored at any time. In addition, VMware's layering mechanism does not automatically divide the data in the virtual machine into several independent layers according to characteristics.

[0032] The present invention divides user data (for example, relevant documents, directories, key values ​​of configuration database, etc.) as a unit, rather than dividing the entire virtual disk as a unit. Theref...

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Abstract

The invention discloses a virtual machine system. The virtual machine system can create a plurality of mutually independent virtual machines to be used by a plurality of users simultaneously. The virtual machine system comprises an operating system unit, a template unit, a plurality of user data units and a unit combining technical architecture. Each unit has a respective file data structure and each unit is stored in a preset storage medium. Each unit is used for creating and storing user files and is used for operating application programs. An operating system, an application program, user data and the like of each virtual machine are processed independently. The operating data and files are respectively stored in units. The structure can excellently achieve backup / recover function of the virtual machine. The virtual machine system can improve the reliability of a computer information system obviously. In addition, the virtual machine system can bring more powerful flexibility and security to the using of terminal users.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to the realization technology of multiple parallel virtual machines, and in particular to a new virtual machine system. Background technique [0002] Virtualization is a broad term that, in computing, generally refers to: computing elements that operate on a virtual basis rather than a real one. Virtualization technology can expand the capacity of hardware and simplify the process of reconfiguring software. CPU virtualization technology can simulate multiple CPUs in parallel with a single CPU, allowing one platform to run multiple operating systems at the same time, and applications can run in independent spaces without affecting each other, thereby significantly improving the computer's work efficiency and stability. [0003] Most of the virtual machines (VM, Virtual Machine) in the prior art adopt machine level virtualization (Machine Level Virtualization) and operating system...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/455
Inventor 李瑞平
Owner 北京伸得纬科技有限公司