You can Replicate FC Volumes using the Volume Replication feature, the Volume Replication feature replicates the FC Volumes through an Ethernet NIC i.e. 1GbE or 10GbE. You set one of the FC Volume as Source and the other as Destination on the other DSS V7. Then if lets say the Source fails then you set the Destination FC Volume to Source and you will be able to connect and have the updated the data. But this is not Auto Failover more like a Manual Failover. You can test this with the DSS V7 TRIAL.