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Is there any difference between Availability Set and Multiple Availability Zone setup

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cloud-volumes-ontap-cvo
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cloud_provider_agnostic
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Applies to

  • Cloud Volumes ONTAP (CVO)
  • HA Pairs
  • Microsoft Azure

Answer

  • Yes.
  • Availability Set is a logical grouping of the Cloud Volumes ONTAP nodes. It ensures that the nodes are in different fault and update domains to provide redundancy and availability.
  • Multiple Availability Zone is a physical separation of the Cloud Volumes ONTAP nodes.  Availability zones ensure that the nodes are in different fault domains.
  • Communication is faster in an Availability Set but reliability is higher in Multiple Availability Zone setup.

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