While Apple's bundled Disk Utility application reports a hard drive's S.M.A.R.T. status, the information might not be correct.
If you care about the information stored on a hard drive that is connected to an internal bus of your Mac, you should consider using other applications than Apple's Disk Utility to monitor that drive's health.
As can be seen in the following screen shot an HDD riddled with bad blocks is still reported as having it's S.M.A.R.T. status verified.
Here's a screenshot showing the difference between Disk Utility and SMART Utility at displaying the S.M.A.R.T. parameters.
[crarko adds: S.M.A.R.T. in general has not been incredibly successful at forecasting drive failure. H ...
If you care about the information stored on a hard drive that is connected to an internal bus of your Mac, you should consider using other applications than Apple's Disk Utility to monitor that drive's health.
As can be seen in the following screen shot an HDD riddled with bad blocks is still reported as having it's S.M.A.R.T. status verified.
Here's a screenshot showing the difference between Disk Utility and SMART Utility at displaying the S.M.A.R.T. parameters.
[crarko adds: S.M.A.R.T. in general has not been incredibly successful at forecasting drive failure. H ...