What's the EMC SAN device, and is there a Powerpath driver for OS X? If so, that's your best bet for multipathing on EMC gear. So Apple is at least proactive on making multipathing work on OS X Server ...
In the ongoing drive toward gigabit speeds in servers and other computing systems, copper cabling has sometimes been written off. That’s especially true now, as engineers charge toward 112 gigabits ...