・smartの見方 # smartctl -A /dev/sda ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 173 3 Spin_Up_Time 0x0027 227 180 021 Pre-fail Always - 3641 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 121 5 Reallocated_Sector_Ct 0x0033 184 184 140 Pre-fail Always - 486 7 Seek_Error_Rate 0x002e 100 253 000 Old_age