Linux下查看硬盘通电时间及查看硬盘型号
检测硬盘型号可用以下命令查看：dmesg | grep ATA
检测硬盘通电时间需要安装smartmontools工具：
http://smartmontools.sourceforge.net/
如果是CentOS直接运行：
yum install smartmontools -y
如果是Debian/Ubuntu：
apt-get install smartmontools -y
然后输入：
注：如果不行就用df看看硬盘名，把sda换了即可
smartctl -A /dev/sda
=== 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 UPDATEDWHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-failAlways - 0
3 Spin_Up_Time 0x0027 201 200 021 Pre-failAlways - 941
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 84
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-failAlways - 0
7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0
9 Power_On_Hours 0x0032 040 040 000 Old_age Always - 44316
10 Spin_Retry_Count 0x0032 100 253 000 Old_age Always - 0
11 Calibration_Retry_Count 0x0032 100 253 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 83
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 76
193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 84
194 Temperature_Celsius 0x0022 110 086 000 Old_age Always - 33
196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0
197 Current_Pending_Sector0x0032 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 200 200 000 Old_age Offline - 0
其中Power_On_Hours就是硬盘使用小时了！
如果是Power_On_Minutes就是硬盘使用分钟，例如：
9 Power_On_Minutes 0×0032 201 201 000 Old_age Always - 649h+23m
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