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What is virtual machine hot migration?

Latest reply: Dec 7, 2021 13:57:49 480 2 13 0 1

This post describes what is virtual machine hot migration and how to achieve it.

Virtual machine hot migration refers to moving a virtual machine from one physical server to another without interrupting the service (the running VM).

There are two types of virtual machine hot migration:

1. Change the host;

2. Change the host and data storage (full migration).

Changing the host Implementation

The Virtual Machine Manager provides fast copying of memory data (memory shards + iterative migration) and shared storage technology to ensure that the data is unchanged before and after the virtual machine migration.

Change the host and data store implementation

For memory: memory fragmentation + iterative migration.

For storage: MirrorIO+ iterative migration.

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MVE Created Dec 7, 2021 11:58:57

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Created Dec 7, 2021 13:57:49

Good one
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