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Apparatus and method for virtualizing storage

A technology of virtualization and virtualization system, applied in the field of devices and methods for virtualizing storage, can solve problems such as performance degradation of virtualization system, and achieve the effect of improving performance and processing rate

Inactive Publication Date: 2016-07-06
ELECTRONICS & TELECOMM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Correspondingly, the performance of the virtualized system may degrade significantly

Method used

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  • Apparatus and method for virtualizing storage
  • Apparatus and method for virtualizing storage
  • Apparatus and method for virtualizing storage

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Embodiment Construction

[0036] Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, we should note that when assigning reference numerals to elements of each figure, the same reference numerals refer to the same elements even if the same elements are shown in different figures. In describing the present invention, well-known functions or constructions will not be described in detail since they may unnecessarily obscure the understanding of the present invention. It should be understood that although exemplary embodiments of the present invention are described below, the spirit of the present invention is not limited thereto, and those skilled in the art may change and modify them in various ways.

[0037] Exemplary embodiments of the invention can be implemented in various ways. For example, an exemplary embodiment of the present invention may be implemented in firmware, software, a combination thereof, or the lik...

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Abstract

Disclosed is a method for virtualizing storage in a virtualization system that supports multiple guest operating systems, including: generating a shadow page table for each of the multiple guest operating systems and caching the shadow page table; A guest page table for referencing physical storage pages is received from one of the plurality of guest operating systems; and mapping information is used to map one of the cached shadow page tables and the guest page table.

Description

[0001] Cross References to Related Applications [0002] This application claims priority and benefit from Korean Patent Application No. 10-2010-0131841 filed with the Korean Intellectual Property Office on December 21, 2010, the entire contents of which are hereby incorporated by reference. technical field [0003] The invention relates to a storage virtualization method using a shadow page table in a virtualization system supporting multiple guest operating systems. Background technique [0004] Virtualization technology refers to virtualization of a central processing unit (CPU), storage and input / output (I / O) devices such as a network, and a monitor as hardware resources used by an operating system (OS). technology. Typically, an operating system is configured to directly access and control hardware. However, a system employing virtualization technology enables multiple operating systems to be executed on a single hardware by preventing the operating system from direct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F12/1009G06F12/109
CPCG06F9/22G06F12/06
Inventor 金载烈金康好高广源田承协
Owner ELECTRONICS & TELECOMM RES INST