【记录】独服的硬盘通电时间查看方法

2018年3月13日23:15:43 发表评论 1,741

首先使用下面的命令来确认硬盘是否打开了SMART支持:

smartctl -i /dev/sda

正常情况下应该会得到下面这样的信息:

[root@localhost bbs]# smartctl -i /dev/sda

smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-358.el6.x86_64] (local build)

Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF INFORMATION SECTION ===

Model Family: Western Digital Caviar Blue Serial ATA

Device Model: WDC WD5000AAKX-753CA1

Serial Number: WD-WMAYUW928311

LU WWN Device Id: 5 0014ee 0034d871a

Firmware Version: 19.01H19

User Capacity: 500,107,862,016 bytes [500 GB]

Sector Size: 512 bytes logical/physical

Device is: In smartctl database [for details use: -P show]

ATA Version is: 8

ATA Standard is: Exact ATA specification draft version not indicated

Local Time is: Thu Jan 12 16:58:23 2017 CST

SMART support is: Available - device has SMART capability.

SMART support is: Enabled

在这里,如果看到SMART support is: Disabled,则表示SMART未启用

如果我们需要执行如下命令,启动SMART:

smartctl –smart=on –offlineauto=on –saveauto=on /dev/sda

查看硬盘当前的健康状态使用如下命令:

smartctl -H /dev/sda

结果如下:

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

SMART overall-health self-assessment test result: PASSED

请注意result后边的结果:PASSED,这表示硬盘健康状态良好

如果这里显示Failure,那么最好立刻给服务器更换硬盘。

查看硬盘通电时间,输入以下命令:

smartctl -A /dev/sda

显示结果:

=== 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 0x000f 100 253 006 Pre-fail Always – 0

3 Spin_Up_Time 0×0003 097 097 000 Pre-fail Always – 0

4 Start_Stop_Count 0×0032 100 100 020 Old_age Always – 818

5 Reallocated_Sector_Ct 0×0033 100 100 036 Pre-fail Always – 0

7 Seek_Error_Rate 0x000f 085 060 030 Pre-fail Always – 369003829

9 Power_On_Hours 0×0032 084 084 000 Old_age Always – 14527

10 Spin_Retry_Count 0×0013 100 100 097 Pre-fail Always – 0

12 Power_Cycle_Count 0×0032 100 100 020 Old_age Always – 817

187 Reported_Uncorrect 0×0032 100 100 000 Old_age Always – 0

189 High_Fly_Writes 0x003a 100 100 000 Old_age Always – 0

190 Airflow_Temperature_Cel 0×0022 052 046 045 Old_age Always – 48 (Lifetime Min/Max 47/52)

194 Temperature_Celsius 0×0022 048 054 000 Old_age Always – 48 (0 11 0 0)

195 Hardware_ECC_Recovered 0x001a 074 062 000 Old_age Always – 188295533

197 Current_Pending_Sector 0×0012 100 100 000 Old_age Always – 0

198 Offline_Uncorrectable 0×0010 100 100 000 Old_age Offline – 0

199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always – 0

200 Multi_Zone_Error_Rate 0×0000 100 253 000 Old_age Offline – 0

202 TA_Increase_Count 0×0032 100 253 000 Old_age Always – 0

其中Power_On_Hours 14527 就代表通电时间为14527小时

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