yes of course, but
my 4 x 3TB disk`s are full, i cannot transfer 12 TB to elsewhere and then make the raid, to copy the files back after it.
and if i do so
the time will come and i need a second NAS, what`s then?
same problem.
your systems are not able to make one database for both nas
where is the problem to do so? you have enought space in MED500X2 (internal HDD) to inplement this feature