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OVS-based virtual machine thermal migration method and system

A hot migration, virtual machine technology, applied in transmission systems, digital transmission systems, software simulation/interpretation/simulation, etc. The effect of flexible thermal migration

Active Publication Date: 2020-12-25
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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  • Claims
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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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  • OVS-based virtual machine thermal migration method and system
  • OVS-based virtual machine thermal migration method and system
  • OVS-based virtual machine thermal migration method and system

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Embodiment Construction

[0040]In order to make the object, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0041] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "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, which will not be described one by one in the subsequent embodiments.

[0042] Based on the above purpose, the first aspect of the embodiment of the present invention proposes an OVS-based virtual machine that is no longer limited to the SRIOV network and cannot be migrated, and can perform flexible hot migration across p...

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Abstract

The invention discloses an OVS-based virtual machine thermal migration method and system. The method comprises the following steps: creating an OVS virtual interface, inserting the OVS virtual interface into a virtual machine to be thermally migrated, and configuring the OVS virtual interface; switching the communication of the operation service of the virtual machine to be thermally migrated fromthe old SRIOV virtual interface to the OVS virtual interface, and removing dirty data; migrating the to-be-thermally-migrated virtual machine under the condition that the communication of the operation service of the to-be-thermally-migrated virtual machine is not interrupted through the OVS virtual interface; creating a new SRIOV virtual interface, inserting the new SRIOV virtual interface intothe virtual machine to be subjected to thermal migration, and configuring the new SRIOV virtual interface; and switching the communication of the operation service of the virtual machine to be thermally migrated from the OVS virtual interface to the new SRIOV virtual interface, and removing dirty data. The virtual machine is not limited by an SRIOV network and cannot be migrated any more, and flexible cross-physical-host thermal migration can be carried out when the service runs normally.

Description

technical field [0001] The present invention relates to the field of virtual machines, and more specifically, to an OVS-based virtual machine live migration method and system. Background technique [0002] In a virtualized environment, virtual machines can implement network communication through a virtual network. There are many ways to realize virtual network, such as Linux bridge, OpenvSwitch (OSV) bridge, SRIOV (single root I / O virtualization), physical network card passthrough, etc. Linux bridges and OSV bridges provide flexible virtualized networks for virtual machines, but their performance is not as good as SRIOV and pass-through networks; although pass-through networks have the advantages of high performance, they can only be used by one virtual port; SRIOV functions and pass-through Comparable performance for networking, but severely limited migration capabilities for virtual machines. [0003] Among them, the principle of SRIOV virtual interface is to directly ma...

Claims

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Application Information

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Patent Type & Authority Applications(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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