smartctl 参数收集

5 Reallocated_Sector_Ct   0x0033   057   057   010    Pre-fail  Always       -       34008 (0 2)

057 这个中间的57表示重映射扇区还剩57%
057 这个中间的57表示重映射扇区还剩57%
010 这款盘的告警阈值是10%

如果已映射扇区超过10%，则只需smartctl会提示异常

正常状态

root@xxxx:~# smartctl -H /dev/sda
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

异常状态

root@xxxx:~# smartctl -H /dev/sdl
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
Please note the following marginal Attributes:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x000f   065   041   044    Pre-fail  Always   In_the_past 132062232