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Known limitations in Azure
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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.
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:
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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.
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Cache rewarming after a reboot is not supported with Cloud Volumes ONTAP.
HA limitations
HA pairs aren't supported in some regions.