You don't get rid of the network, you just get rid of a physical SAN. The hosts will still be interconnected to a (multiple redundant) switch as well direct NIC to NIC links between hosts for SAN replication. Cloudstack should be able to access the hosts normally through their IP's.

I wonder if the OP has any feedback with his Cloudstack/StarWind deployment Anatoly, I am looking into a slightly different deployment scenario, perhaps you can share some insight if you have encountered it or thoughts on its feasability: 1. Install SW on Esxi in a hyper-converged mode with SW insta...