- You go for the closest proximity between VM and NFS share that can be arranged by using [Application Volume Groups](../../azure-netapp-files/application-volume-group-introduction.md). The advantage of Application Volume Groups, besides allocating best proximity and with that creating lowest latency, is that your different NFS shares for SAP HANA deployments are distributed across different controllers in the Azure NetApp Files backend clusters. Disadvantage of this method is that you need to go through a pinning process again. A process that will end restricting your VM deployment to a single datacenter. Instead of an Availability Zones as the first method introduced. This means less flexibility in changing VM sizes and VM families of the VMs that have the NFS volumes mounted.
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