S.M.A.R.T.

Self-Monitoring, Analysis, and Reporting Technology

Key Attributes

In order of importance...

  • 198 (0xC6) Offline Uncorrectable

should be 0 (zero)

  • 196 (0xC4) Reallocation Event Count

should be 0 (zero)

  • 5 (0x05) Reallocated Sector Count

should be 0 (zero)

  • 197 (0xC5) Current Pending Sector Count

should be 0 (zero)

NOTE: A study at Google in 2006 found that 36% of failed drives did so without recording any S.M.A.R.T. errors and 56% failed without recording any count for the four key warnings detailed above. Always have a backup.


For further information on Attributes hover over the attributes in GSmartControl or see the Wikipedia page (https://en.wikipedia.org/wiki/S.M.A.R.T.)

gnome-disk-utility

Using gnome-disk-utility, select SMART Data & Self-Tests... from the menu, or press Ctrl-S

smartmontools

sudo gsmartcontrol


sudo smartctl -i /dev/sda

sudo smartctl -a /dev/sda

sudo smartctl -t short /dev/sda