Create 2 volume msa 2050

hi guys
i have msa 2050 i connected 2 port to my server as backup and redundant,when i create volume  and map it to injector in my windows server i see 2 voulme created.one online and one offline.so where is the problem?
as you see i create 2 voulme one for sql and another for db.but show 4 voulme.