Just In linux supports all kinds of different storage systems, no matter if it is connected via ethernet (RJ45 or SFP+) or fibre channel or if the storage system is connected via the onboard ethernet interfaces or via an additional PCIe card. Below you can find some of the storage systems, which are working perfectly fine with Just In linux:
Quantum StorNext
Avid Nexis
GB Labs SPACE
EMC Isilon
NetApp
ELEMENTS
QNAP