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Virtual machine migration method and device

A virtual machine migration and virtual machine technology, which is applied in the field of cloud computing to achieve the effect of facilitating subsequent operation and maintenance and high forwarding performance

Active Publication Date: 2019-05-10
NEW H3C CLOUD TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In order to overcome the above-mentioned deficiencies in the prior art, the purpose of the present disclosure is to provide a virtual machine migration method and device to solve or improve the above-mentioned problems

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  • Virtual machine migration method and device

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present disclosure with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are part of the embodiments of the present disclosure, not all of them. The components of the disclosed embodiments generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0047] Accordingly, the following detailed description of the embodiments of the present disclosure provided in the accompanying drawings is not intended to limit the scope of the claimed disclosure, but merely represents selected embodiments of the present disclosure. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present disclosure.

[0048] It...

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Abstract

The invention provides a virtual machine migration method and device. A combined transceiving queue is configured in a hardware virtualization network card driver and a semi-virtualization network card driver of a first host machine; when the first host machine is switched to the migration state, the memory information of the first virtual machine is synchronized into the second virtual machine, and in the whole migration process, the first virtual machine performs I / O data interaction with the semi-virtualized driving network card of the SR-IOV NIC through the combined transceiving queue driven by the semi-virtualized network card. Therefore, the method can automatically complete the switching of the migration state on the driving side without adopting binding software, is beneficial to the subsequent operation and maintenance, and can maintain higher forwarding performance no matter in the migration state or in the non-migration state.

Description

technical field [0001] The present disclosure relates to the technical field of cloud computing, and in particular, to a virtual machine migration method and device. Background technique [0002] SR-IOV (Single-Root I / O Virtualization, single-root I / O virtualization) technology allows efficient sharing of PCIe (Peripheral Component Interconnect Express, fast peripheral component interconnection bus) devices between virtual machines, so that VM (Virtual Machine, virtual machine) uses the device of the host machine to obtain higher I / O performance through hardware. [0003] SR-IOV NIC (Network Interface Card, network interface card) generally defines a PF (Physical Function, physical function) and several VF (Virtual Function, virtual function), PF and VF can be used as a separate network card, and VF generally passes The PCIe transparent transmission technology transparently transmits the hardware to the virtual machine, so that the hardware registers of the VF can be direct...

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Application Information

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IPC IPC(8): G06F9/455
Inventor 钟晋明
Owner NEW H3C CLOUD TECH CO LTD
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