use an NFS ISO or Export domain with an FC data domain?

Hi,

I'm evaluating RHEV3 and have configured 1 FC domain to be used with my 2 hosts. Beside this, following evaluator guide, I have a local-iso-share (rhevm.demo.redhat.com:/data/iso).

This share is currently not yet attached and would prefer use an external NFS (already existing one) because my local-iso-share has only 1GB capacity! (rhevm local disk was 36GB only!).

How could I configure the system so that to use this external share instead (10.7.2.27:/mnt/rhevfns)?

Thanks