i also have the same trouble, i forgot root password. and i try to find many document but do not help finally i got one link where they mention Fujitsu have two default account root and f.ce where user: root, password: "root" and user: f.ce, password: "<check code><serial-no. of DX>"https://training-public.ts.fujitsu.com/ ... atures.pdf
but i don't know how to find serial no. where i try all serial no attach to storage but not correct.
any one know how to get the serial number?