使用smartmontools查看硬盘使用时间

首先安装：

[arm@acer ~]$ sudo yum -y install smartmontools

执行：

[arm@acer ~]$ sudo smartctl -A /dev/sda

可以看到如下结果：

smartctl 5.43 2012-06-30 r3573 [i686-linux-2.6.32-358.23.2.el6.i686] (local build)
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF READ SMART DATA SECTION ===
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
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       -       0
  3 Spin_Up_Time            0x0027   186   166   021    Pre-fail  Always       -       1666
  4 Start_Stop_Count        0x0032   092   092   000    Old_age   Always       -       8708
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   100   253   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   092   092   000    Old_age   Always       -       6137
 10 Spin_Retry_Count        0x0032   100   100   051    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   100   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   098   098   000    Old_age   Always       -       2652
191 G-Sense_Error_Rate      0x0032   001   001   000    Old_age   Always       -       958
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       111
193 Load_Cycle_Count        0x0032   099   099   000    Old_age   Always       -       304147
194 Temperature_Celsius     0x0022   106   095   000    Old_age   Always       -       41
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0008   200   200   051    Old_age   Offline      -       0