S.M.A.R.T. Status: This field gives the S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) status of the physical drive. The options for this are Disabled , OK, or Error. Disabled means S.M.A.R.T. is off and physical drive does not collect statistical data. OK means S.M.A.R.T. is on and no errors found. Error status means S.M.A.R.T. is on and some errors found, this is serious warning that drive has to be replaced.