"Backblaze's analysis of nearly 40,000 drives showed five SMART metrics that correlate strongly with impending disk drive failure:
- SMART 5 - Reallocated_Sector_Count. - SMART 187 - Reported_Uncorrectable_Errors. - SMART 188 - Command_Timeout. - SMART 197 - Current_Pending_Sector_Count. - SMART 198 - Offline_Uncorrectable" http://www.computerworld.com/article/2846009/the-5-smart-stats-that-actually-predict-hard-drive-failure.html
