You can have multiple in each .
Hosts with multiple HBA host ports can have multiple connections to the storage array. All HBA host ports must be selected as part of the host-to-virtual disk mapping to provide maximum redundancy. Make sure that you select all of the of the HBA host ports that you have connected to the storage array when you create the host-to-virtual disk mapping.
Important:
If you are configuring host access manually, you must select all of the HBA host ports in the host from the list of Known HBA host ports. Add these HBA host ports to the list of Selected HBA host port identifiers/aliases for the host that you are configuring.For example, a host might have two HBAs, each with two HBA host ports connected to the storage array. For this host, you would select four HBA host ports.