When mounting an NFS export from a High Availability (HA) instance of Cloud Volumes ONTAP (CVO) in AWS where data access must remain available during a failure, the administrator must use a Floating IP in the mount syntax. Here's the process:

Floating IP Configuration: A Floating IP is a virtual IP address assigned to an HA pair that can ''float'' between nodes. In the event of a node failure, the Floating IP can move to another node in the HA pair, ensuring continuous availability and seamless access to data.

Mount Command Syntax: The mount command should specify the Floating IP as the NFS server address, which ensures that client applications continue to have access to the NFS export, even if one of the nodes experiences a failure.

Advantages of Using Floating IP: This setup minimizes downtime and provides robust fault tolerance for applications relying on the NFS export, making it ideal for HA deployments in cloud environments like AWS.

For additional guidance on configuring and using Floating IPs with Cloud Volumes ONTAP in AWS, refer to the NetApp documentation on HA configurations: NetApp HA Configuration Guide.