# /usr/sbin/smartctl -A /dev/sda | grep -E "Start_Stop_Count|Power_On_Hours|Power_Cycle_Count"
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       9
  9 Power_On_Hours          0x0032   098   098   000    Old_age   Always       -       8843
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       9

/usr/sbin/smartctl -A /dev/sdb | grep -E "Start_Stop_Count|Power_On_Hours|Power_Cycle_Count"
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       53
  9 Power_On_Hours          0x0032   098   098   000    Old_age   Always       -       8844
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       53