Please also be aware the NetApp provides a tool called VSC to handle native backups(in crash consistent state) as well as their replication and mounting. its also offer VMWare SRA plug in called VASA that can help automate the process.
and last. it's also providing Metro-Stretched configuration that allow the DR volume to be mounted at the same time on clusters node at two sites. in recent ONTAP version it's also available over IP.