reallocated sector count on yellow?

@Chriss, I would be very concerned about the state of your drive. Hitachi's SMART attributes are deceptive, particularly in regard to the Reallocated Sector Count attribute. Your SMART report would suggest that the drive has retired 183 bad sectors, yet the Current normalised value is still at 100%. ISTR a more recent thread where a different Hitachi model reported 0 bad sectors, yet the Current value in that case was 1, which indicates a failed drive. Neither SMART report makes any sense (to me).