From Server end, it is difficult to find out. You can check
and this may give you something like
PHP Code:
282. emcpower92a <EMC-SYMMETRIX-5771 cyl 19048 alt 2 hd 15 sec 128>
/pseudo/emcp@92
283. emcpower93a <EMC-SYMMETRIX-5771 cyl 19048 alt 2 hd 15 sec 128>
/pseudo/emcp@93
So this is EMC Symmetrix Storage