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A method and system for virtual machine live migration based on ovs

A hot migration and virtual machine technology, applied in transmission systems, digital transmission systems, software simulation/interpretation/simulation, etc., can solve problems such as increasing the difficulty of migration, difficulty in virtual machine migration, interruption of services, etc., and achieve flexible hot migration. Effect

Active Publication Date: 2022-05-24
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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Problems solved by technology

However, when the host is to be migrated, the address of the physical network card of the destination host is different from that of the source host, which causes the virtual machine to fail to migrate normally; and it is required that the virtual machine cannot be restarted and the business is not interrupted during the migration process. Increased difficulty of migration
[0004] There is currently no effective solution to the problem of difficult migration of virtual machines and interruption of services in the virtual network of the SRIOV virtual interface in the prior art

Method used

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  • A method and system for virtual machine live migration based on ovs
  • A method and system for virtual machine live migration based on ovs
  • A method and system for virtual machine live migration based on ovs

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Embodiment Construction

[0040]In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the embodiments of the present invention will be further described in detail below with reference to the specific embodiments and the accompanying drawings.

[0041] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are for the purpose of distinguishing two entities with the same name but not the same or non-identical parameters. It can be seen that "first" and "second" It is only for the convenience of expression and should not be construed as a limitation on the embodiments of the present invention, and subsequent embodiments will not describe them one by one.

[0042] Based on the above purpose, in the first aspect of the embodiments of the present invention, an OVS-based OVS-based virtual machine is proposed, which makes the virtual machine no longer limited by the SRIOV network and cannot be...

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Abstract

The invention discloses an OVS-based virtual machine hot migration method and system. The method includes: creating an OVS virtual interface, inserting it into the virtual machine to be hot migrated and configuring; The interface is switched to the OVS virtual interface, and dirty data is removed; the virtual machine to be live migrated is migrated while maintaining the communication through the OVS virtual interface to perform uninterrupted execution of the running service of the virtual machine to be live migrated; create a new SRIOV virtual interface and insert it into the The virtual machine to be live migrated and configured; the communication of the running service of the virtual machine to be live migrated is switched from the OVS virtual interface to the new SRIOV virtual interface, and the dirty data is moved. The invention can make the virtual machine no longer limited by the SRIOV network and cannot migrate, and can perform flexible cross-physical host hot migration when the business is running normally.

Description

technical field [0001] The present invention relates to the field of virtual machines, and more particularly, to an OVS-based virtual machine hot migration method and system. Background technique [0002] In a virtualized environment, virtual machines can implement network communication through virtual networks. There are many ways to implement virtual networks, such as Linux bridges, OpenvSwitch (OSV) bridges, SRIOV (Single Root I / O Virtualization), physical network card pass-through, etc. Linux bridges and OSV bridges provide a flexible virtualized network for virtual machines, but the performance is not as good as SRIOV and pass-through network; although pass-through network has the advantages of high performance, it can only be used for one virtual port; SRIOV function has and pass-through The performance of the network is comparable, but the migration function of the virtual machine is severely limited. [0003] Among them, the principle of SRIOV virtual interface is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/455H04L12/46
CPCG06F9/45558H04L12/4641G06F2009/4557G06F2009/45595G06F2009/45579G06F2009/45562G06F2009/45575
Inventor 张兆增
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD
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