This phenomenon just warns you that there is a bad department. Fortunately, the data in your ID05 is 0, which proves that the spare sector is enough. However, a bad department will have a slowdown or collapse. Low, this is a process of damaging the hard disk. Now the bad sectors don't know whether they are physical or logical. Look at the capacity of 320G, then I suggest that you have backed up important data and will use it. Now a piece of 500G is only 260-270. Hang up and change.