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Cloud Volumes ONTAP
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Known limitations in Azure

Contributors netapp-bcammett netapp-revathid
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The following known limitations are specific to Cloud Volumes ONTAP in Microsoft Azure. Be sure to also review Limitations for Cloud Volumes ONTAP in all cloud providers.

Limitations with using Azure VM extensions

Cloud Volumes ONTAP does not support Azure virtual machine (VM) extensions and VM applications in a deployment. Using Cloud Volumes ONTAP in Azure with VM extensions causes delays in operations and NetApp recommends avoiding them.

Flash Cache limitations

The Standard_L8s_v2 VM type includes local NVMe storage, which Cloud Volumes ONTAP uses as Flash Cache. Note the following limitations for Flash Cache:

  • Compression must be disabled on all volumes to take advantage of the Flash Cache performance improvements.

    You can choose no storage efficiency when creating a volume from BlueXP, or you can create a volume and then disable data compression by using the CLI.

  • Cache rewarming after a reboot is not supported with Cloud Volumes ONTAP.

HA limitations

HA pairs aren't supported in some regions.

View the list of supported Azure regions