Yes but with 2 hbas (probably 2 iscsi targets needed) - tested with Equallogic (2 boxes), reached 400 MB/s (r/w full duplex) with 2 hbas (in one esx host) and 2 volumes (1 per box)

for iscsi valid max. 2 hbas (better) or 1 dual hba


Ehterchannel is not supported - none iscsi trunk