Real-time backup method for virtual machine
A technology of real-time backup and virtual machine, which is applied to the generation of response errors, software simulation/interpretation/simulation, redundant data error detection in computing, etc. It can solve the problems of reducing storage performance and performance failure, etc. To achieve the effect of ensuring continuity and wide application prospects
Inactive Publication Date: 2018-07-20
南京铱迅信息技术股份有限公司
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[0003] In the traditional server virtualization architecture, storage expansion is done by adding disks to expand capacity, but the performance has not been improved, and storage performance will be reduced during data migration
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[0019] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.
[0020] A method for real-time backup of a virtual machine in a non-distributed storage architecture. The physical machine where the virtual machine runs is called the source host system. The physical machine where the virtual machine is backed up is called the backup host system. After the virtual machine starts, create a file with the same size as the virtual machine on the backup host system. The ratio of the number of source host systems to the number of backup host systems can be 1:1, or 1:N ...
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The invention discloses a real-time backup method for a virtual machine. A physical machine where the virtual machine runs is called as a source host machine system, and a physical machine where a virtual machine backup is located is called as a backup host machine system; after the virtual machine is started, a file the same as the virtual machine in size is created on the backup host machine system; in the running process of the virtual machine, the source host machine system copies data to the backup host machine system to ensure that the backup file is completely identical to a virtual machine file. When the source host machine system fails, the virtual machine backup can continue to run on the backup host machine system. Since a write request of the virtual machine is synchronized tothe backup host machine system in real time in a network message mode, the running continuity of the virtual machine can be achieved, and for a virtual server, the continuity of services is ensured. The method can be applied to various virtualization systems and has broad application prospects.
Description
technical field [0001] The invention relates to a method for real-time backup of a virtual machine in cloud computing. When the physical machine where the virtual machine is located fails, the virtual machine can automatically run and provide services on other physical machines. Background technique [0002] With the development of cloud computing, the function of the Internet is becoming more and more powerful, and users can process huge data and obtain required information on the Internet through cloud computing. [0003] In the traditional server virtualization architecture, storage expansion is done by adding disks to expand capacity, but the performance has not been improved, and storage performance will be reduced during data migration. In the hyper-converged architecture, the way of storage expansion is to add physical machine nodes, the performance and capacity are expanded together, and the data is automatically balanced and distributed. [0004] Since the storage ...
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Login to View More IPC IPC(8): G06F11/14G06F9/455
CPCG06F9/45558G06F11/1484
Inventor 许靖
Owner 南京铱迅信息技术股份有限公司