Method, system and device for whole system online migration of virtual machine system
A virtual machine and system-wide technology, which is applied in the field of online migration of the whole system of the virtual machine system, can solve the problems of time-consuming, long time-consuming, and long-term migration time, and achieve efficient online migration, shorten the time of operation interruption, and reduce The effect of switching time
Active Publication Date: 2017-05-31
CHINA TELECOM CORP LTD
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However, this solution is only a simple combination of two migration mechanisms, causing two virtual machine system shutdowns, which has a great impact on the services on the virtual machine system, and the required migration time is relatively long
[0007] The above solutions for online migration of the entire system take a long time to complete a virtual machine system migration process, and intensively occupy host resources and network resources, especially for virtual machine systems with large disk sizes, or across domain network environment, it will take more time
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[0065] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. It should be noted that the relative arrangement of components and steps set forth in these embodiments does not limit the scope of the invention unless specifically stated otherwise.
[0066] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0067] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discu...
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The invention discloses a device, a system and a method for system-wide online migration of a virtual machine system. The method includes: before copying of an image file, dividing data of a magnetic disk file into mobile data and immobile data according to a preset data dividing rule, combining the mobile data and an operating system file of the virtual machine system to form a mobile image file, preferentially copying the mobile image file to a target physical mainframe, recovering operation of the virtual machine system on the target physical mainframe, and copying and transmitting the immobile data after operation of the virtual machine system. The device, the system and the method for system-wide online migration of the virtual machine system have the advantages that short switching time of online migration of the virtual machine system can be realized, break period of online operation of the virtual machine system is shortened, and flexibility, rapidness and high efficiency in system-wide online migration of the virtual machine system are realized.
Description
technical field [0001] The invention relates to the technical field of computer applications, in particular to a method, system and device for online migration of a virtual machine system. Background technique [0002] Virtual machine (Virtual Machine) system migration generally refers to migrating a virtual machine system running on a source physical host to run on a target physical host. In order to achieve this goal, it is necessary to transfer the storage data and running state of the virtual machine system from the source physical host to the target physical host, and then restore the operation of the virtual machine system on the target physical host. With the continuous increase of business requirements, the scale of virtual resources is also increasing, especially in the management of operational-level data center resources, and the management of virtual machine systems between cross-domain data centers. The demand for system-wide migration of virtual machine systems...
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IPC IPC(8): G06F9/455G06F9/48
Inventor 唐宏蔡康赖培源姚玉凤区洪辉贾嫚陈浩丁圣勇
Owner CHINA TELECOM CORP LTD