If you have tried round robin multipathing on your VI deployment, please add your array and relevant info to this spread sheet:
http://spreadsheets.google.com/ccc?key=pyLDRue7X2ugIhubUzLd9Eg
--Matt
http://spreadsheets.google.com/ccc?key=pyLDRue7X2ugIhubUzLd9Eg
--Matt