In reply to Alaahegga.

Hi Alaahegga
I'll be publishing part 2 of my blog tomorrow and one of the issues I talk about is the architecture of SAN switches and how this can be a challenge, esp wrt limitations in the switch architecture. Unfortunately some of our competitors have architectural issues which are more susceptible to packet dropping. The Cisco Crossbar architecture is more robust in this regard than some of our competitors. I appreciate this is not what you want to hear at this point, howeve I will asked around some of my colleagues and see what experience they have (although to be fair our expertise is on Cisco SAN switches)
Stephen