问题：

omv自带的smart设备信息用西部数据硬盘的时候有坑，每次点设备信息时，都会莫名增加一个ata错误

Error 7 occurred at disk power-on lifetime: 33 hours (1 days + 9 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  04 51 01 00 00 00 00  Error: ABRT

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  b0 d5 01 e1 4f c2 00 08      00:21:46.061  SMART READ LOG
  b0 d6 01 e0 4f c2 00 08      00:21:46.061  SMART WRITE LOG
  b0 d6 01 e0 4f c2 00 08      00:21:46.028  SMART WRITE LOG
  b0 d5 01 e0 4f c2 00 08      00:21:46.028  SMART READ LOG

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解决办法 ：

手工执行如下命令来查看：

smartctl -x /dev/sdx

如果只想简单的查看一下健康状态和错误统计，可以用如下命令：

smartctl -x /dev/sda|grep -E 'result|Error Count|Error.*occurred'

可以添加一个计划任务：

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