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post-install-vsphere-zones-regions-configuration.adoc

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Multiple regions and zones configuration for a cluster on VMware vSphere

As an administrator, you can specify multiple regions and zones for your {product-title} cluster that runs on a VMware vSphere instance. This configuration reduces the risk of a hardware failure or network outage causing your cluster to fail.

A failure domain configuration lists parameters that create a topology. The following list states some of these parameters:

  • computeCluster

  • datacenter

  • datastore

  • networks

  • resourcePool

After you define multiple regions and zones for your {product-title} cluster, you can create or migrate nodes to another failure domain.

Important

If you want to migrate pre-existing {product-title} cluster compute nodes to a failure domain, you must define a new compute machine set for the compute node. This new machine set can scale up a compute node according to the topology of the failure domain, and scale down the pre-existing compute node.

The cloud provider adds topology.kubernetes.io/zone and topology.kubernetes.io/region labels to any compute node provisioned by a machine set resource.

For more information, see Creating a compute machine set.