Sorry, misunderstood you.
I actually thought of trying a different distro, but now it has become an issue to solve this issue. If I need to reformat/re-install, any other distro that you can recommend that will allow a RAID use. The server is purely to act as a file server / NAS.
> testparm.samba3 -sv | grep "netbios name"
Load smb config files from /etc/samba/smb.conf
rlimit_max: rlimit_max (1024) below minimum Windows limit (16384)
Processing section "[printers]"
Processing section "[print$]"
Processing section "[Storage]"
Loaded services file OK.
Server role: ROLE_STANDALONE
netbios name = MOVIE-NAS