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今天买了台9刀的便宜(垃圾)独服,通上电,想看看硬盘用了多久。就顺手记录一下 Linux 下查看硬盘通电时间的操作吧,其实也比较简单。

查看硬盘通电时间

Ubuntu / Debian:

apt install smartmontools

smartctl -A /dev/sda

CentOS:

yum install smartmontools

smartctl -A /dev/sda

其中 /dev/sda 是硬盘编号,第一块一般是 /dev/sda,如果有多块硬盘,第二块就是 /dev/sdb,以此类推。

报告说明

一般我们会看到如下的输出:

root@185a140b120c93:~# smartctl -A /dev/sda

smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.13.11-041311-generic] (local build)

Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF READ SMART DATA SECTION ===

SMART Attributes Data Structure revision number: 10

Vendor Specific SMART Attributes with Thresholds:

ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE

1 Raw_Read_Error_Rate 0x0033 120 120 050 Pre-fail Always - 0/0

5 Retired_Block_Count 0x0033 100 100 003 Pre-fail Always - 0

9 Power_On_Hours_and_Msec 0x0032 076 076 000 Old_age Always - 21343h+10m+10.810s

12 Power_Cycle_Count 0x0032 081 081 000 Old_age Always - 19663

171 Program_Fail_Count 0x000a 000 000 000 Old_age Always - 0

172 Erase_Fail_Count 0x0032 000 000 000 Old_age Always - 0

174 Unexpect_Power_Loss_Ct 0x0030 000 000 000 Old_age Offline - 19660

177 Wear_Range_Delta 0x0000 000 000 000 Old_age Offline - 4

181 Program_Fail_Count 0x000a 000 000 000 Old_age Always - 0

182 Erase_Fail_Count 0x0032 000 000 000 Old_age Always - 0

187 Reported_Uncorrect 0x0012 100 100 000 Old_age Always - 0

189 Airflow_Temperature_Cel 0x0000 029 060 000 Old_age Offline - 29 (Min/Max -22/60)

194 Temperature_Celsius 0x0022 029 060 000 Old_age Always - 29 (Min/Max -22/60)

195 ECC_Uncorr_Error_Count 0x001c 120 120 000 Old_age Offline - 0/0

196 Reallocated_Event_Count 0x0033 100 100 003 Pre-fail Always - 0

201 Unc_Soft_Read_Err_Rate 0x001c 120 120 000 Old_age Offline - 0/0

204 Soft_ECC_Correct_Rate 0x001c 120 120 000 Old_age Offline - 0/0

230 Life_Curve_Status 0x0013 100 100 000 Pre-fail Always - 100

231 SSD_Life_Left 0x0013 026 026 010 Pre-fail Always - 0

233 SandForce_Internal 0x0032 000 000 000 Old_age Always - 128184

234 SandForce_Internal 0x0032 000 000 000 Old_age Always - 189875

241 Lifetime_Writes_GiB 0x0032 000 000 000 Old_age Always - 189875

242 Lifetime_Reads_GiB 0x0032 000 000 000 Old_age Always - 64285

其中的“9”,“Power_On_Hours_and_Msec”,就是硬盘通电时间,可以看到我这块硬盘已经通电 21343h+10m+10.810s,算下来有两年半了,真是垃圾。

参考文献

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