ipod shuffle 2nd generation (problem in copying songs)

Hi...
thre was sum problm in my ipod few days bck, so i restored it...
bt it dint restored..
Then i tried to restore it using ipod reset utility...it says "Disk formatting error"...
but nw i can see my ipod in itunes and its nt in recovery mode..
i tried to copy songs but nw its saying "Attemting to copy to the disk failed.This disk could nt be read from or written to."...

I will really appreciate if sumbdy could help me out ASAP.