High Availability of hyper-V 3. Configure High Availability of virtual machines

The Virtual Machine high availability configuration allows the Virtual Machine System to provide 24x7 services. When a problem occurs on the host machine where the virtual machine is located, the Failover function automatically migrates the virtual machine to other nodes in the cluster, in this process, the virtual machine service continues, and two ping packets are dropped at most. The following describes how to configure the high availability of the virtual machine.

1. Open the Cluster Manager, connect to the created Cluster, right-click the cluster name, and select "Configure role"

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2. The displayed wizard provides an overview of the functions available in this wizard. click Next.

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3. On the role selection page, pull the drop-down box to the bottom and select "virtual machine"

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4. At this time, the wizard will automatically check the current virtual machines on all cluster nodes. Select the virtual machine to configure high availability and click Next.

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5. The list lists the highly available virtual machine categories that we are about to assign. Click Next after confirmation.

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6. After configuring the high availability of the virtual machine, you can click to view the report to learn about the situation of the Virtual Machine During the configuration process.

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7. Now we can see the virtual machine we just added in the role of the Failover Cluster Manager to verify that the virtual machine can be migrated online. Right-click the virtual machine, in the pop-up list, choose "move"> "Fast migration"> "Best node" (let the cluster choose to migrate to that node). At this time, the virtual machine will start automatic migration, in this process, we can ping this virtual machine all the time, know that the migration is successful, and check the ping packet interruption. Here we test that only two packets are lost.

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