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Method for reconfiguring equipment under virtual machine

A virtual machine and computer technology, applied in the computer field, can solve problems such as the unavailability of hardware equipment, and achieve the effect of improving experience

Active Publication Date: 2013-09-04
LENOVO (BEIJING) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] When the previous virtual machine is shut down and the next virtual machine is started, there may be a problem that the hardware device is unavailable

Method used

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  • Method for reconfiguring equipment under virtual machine
  • Method for reconfiguring equipment under virtual machine
  • Method for reconfiguring equipment under virtual machine

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Embodiment Construction

[0054] In order to make the technical problems, technical solutions, and advantages to be solved by the embodiments of the present invention clearer, a detailed description will be given below with reference to the drawings and specific embodiments.

[0055] The embodiment of the present invention aims at the problem that the hardware device may be unavailable when the previous virtual machine is closed and the next virtual machine is started in the prior art, and provides a computer that enables the hardware devices to be used when the virtual machine is started or running And the method of resetting the device under the virtual machine.

[0056] Such as figure 2 As shown, the computer in the embodiment of the present invention includes:

[0057] A hardware platform with at least one hardware device; these hardware devices mainly include: the motherboard of the computer, the CPU that can be installed on the motherboard, internal memory, external memory, controller, input / output dev...

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Abstract

The invention provides a computer and a method for reconfiguring equipment under a virtual machine. The computer comprises a hardware platform, a virtual machine monitor, a first operating system, at least one second operating system, a backup module, and a recover module, wherein the hardware platform is provided with at least one hardware equipment, the virtual machine monitor comprises an establishing module used for establishing a virtual machine respectively for the first operating system and the second operating system; the backup module is used for saving the initial state information of the at least one hardware equipment in the at least one hardware equipment when the virtual machine monitor is started or is used for establishing the first virtual machine for the first operating system; and the recover module is used for recovering the state of the hardware equipment according to the saved initial state information of the hardware equipment in the backup module when the first virtual machine is closed, and thus, the hardware equipment can be used in a process after the first virtual machine is closed and the second operating system is started. The invention ensures that the hardware equipment can be used no matter when the virtual machine is started or is operated.

Description

Technical field [0001] The invention relates to a computer field, in particular to a method for resetting equipment under a computer and a virtual machine. Background technique [0002] In general computer systems, when the operating system OS is restarted, the entire hardware platform will restart. After restarting, the BIOS (Basic Input Output System) will reinitialize each hardware to make it meet the operation of the operating system OS again. [0003] And under the virtual machine system, such as figure 1 As shown, the virtual machine system includes: an underlying hardware platform, a virtual machine monitor VMM (Virtual Machine Monitor) running on the hardware platform, and at least one operating system running on the VMM, each of which corresponds to a VMM The created VMM copy, namely virtual machine VM, which provides hardware mapping for its corresponding operating system, is an efficient and isolated copy software created by VMM for the operating system, that is, for ope...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/455G06F11/14
Inventor 周振生陈博彭刚河野诚一
Owner LENOVO (BEIJING) LTD