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[Translated] 20141119 Smartctl--Monitor & Analysis tool for Hard drive.md
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Translating by GOLinux!
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Smartctl – Monitoring & Analysis tool for Hard drive
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硬盘监控和分析神器——Smartctl
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================================================================================
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**Smartctl** (Self-Monitoring, Analysis and Reporting Technology) is a command line utility or a tool in UNIX like operating system that perform SMART tasks such as printing the SMART **self-test** and **error logs**, enabling and disabling SMART **automatic testing**, and initiating device self-tests.
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**Smartctl**（自监控，分析和报告技术）是类Unix系统下实施SMART任务命令行套件或工具，它用于打印SMART**自检**和**错误日志**，启用并禁用SMRAT**自动检测**，以及初始化设备自检。
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Smartctl is useful on physical Linux servers where smart disks can be checked for errors and extract info regarding the disks that are used behind the **Hardware RAID**.
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Smartctl对于Linux物理服务器十分有用，在这些服务器上，可以对智能磁盘进行错误检查，并将与**硬件RAID**上相关的磁盘信息摘录下来。
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In this post we will discuss some practical examples of smartctl command, Use below steps to install smartctl , if it is not installed on your linux box.
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在本帖中，我们将讨论smartctl命令的一些实用样例。如果你的Linux上海没有安装smartctl，请按以下步骤来安装。
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### Installation of Smartcl in Ubuntu ###
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### Ubuntu中smartctl的安装 ###
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$ sudo apt-get install smartmontools
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### Installation of Smartcl in Redhat / CentOS ###
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### Redhat / CentOS中smartctl的安装 ###
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# yum install smartmontools
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**Start the Smartctl Service**
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**启动Smartctl服务**
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**For Ubuntu**
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**对于Ubuntu**
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$ sudo /etc/init.d/smartmontools start
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**For CentOS & RHEL**
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**对于CentOS & RHEL**
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# service smartd start ; chkconfig smartd on
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**Example:1 Check Whether Smart Capability is enabled or not for the disk**
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**样例：1 检查针对磁盘的Smart负载量**
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root@linuxtechi:~# smartctl -i /dev/sdb
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smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)
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@ -47,9 +46,9 @@ In this post we will discuss some practical examples of smartctl command, Use be
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SMART support is: Available - device has SMART capability.
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SMART support is: Enabled
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Where ‘/dev/sdb’ is your hard disk. Last Two lines in above output shows that SMART capability is enable for the device.
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这里‘/dev/sdb’是你的硬盘。上面输出中的最后两行显示了SMART负载量已启用。
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**Example:2 Enable Smart Capability for the disk**
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**样例：2 为磁盘启用Smart负载量**
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root@linuxtechi:~# smartctl -s on /dev/sdb
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smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)
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@ -58,7 +57,7 @@ Where ‘/dev/sdb’ is your hard disk. Last Two lines in above output shows tha
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=== START OF ENABLE/DISABLE COMMANDS SECTION ===
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SMART Enabled.
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**Example:3 Disable Smart Capability for the disk**
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**样例：3 为磁盘禁用Smart负载量**
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root@linuxtechi:~# smartctl -s off /dev/sdb
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smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)
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@ -67,12 +66,12 @@ Where ‘/dev/sdb’ is your hard disk. Last Two lines in above output shows tha
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=== START OF ENABLE/DISABLE COMMANDS SECTION ===
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SMART Disabled. Use option -s with argument 'on' to enable it.
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**Example:4 Display Detailed Smart info for the disk**
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**样例：4 为磁盘显示详细Smart信息**
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root@linuxtechi:~# smartctl -a /dev/sdb // For IDE drive
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root@linuxtechi:~# smartctl -a -d ata /dev/sdb // For SATA drive
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**Example:5 Display Overall health of the Disk**
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**样例：5 显示磁盘总体健康状况**
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root@linuxtechi:~# smartctl -H /dev/sdb
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smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)
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@ -85,9 +84,9 @@ Where ‘/dev/sdb’ is your hard disk. Last Two lines in above output shows tha
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ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
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190 Airflow_Temperature_Cel 0x0022 067 045 045 Old_age Always In_the_past 33 (Min/Max 25/33)
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**Example:6 Test Hard drive using long & short option.**
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**样例：6 使用long和short选项测试硬盘**
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Long Test
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**Long测试**
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root@linuxtechi:~# smartctl --test=long /dev/sdb
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smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)
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@ -102,11 +101,11 @@ Long Test
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Use smartctl -X to abort test.
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OR We can redirect test output to a log file , as shown below
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或者，我们可以重定向测试输出到日志文件，就像下面这样
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root@linuxtechi:~# smartctl --test=long /dev/sdb > /var/log/long.text
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**Short Test**
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**Short测试**
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root@linuxtechi:~# smartctl --test=short /dev/sdb
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smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)
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@ -121,13 +120,13 @@ OR We can redirect test output to a log file , as shown below
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Use smartctl -X to abort test.
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OR
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或
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root@linuxtechi:~# smartctl --test=short /dev/sdb > /var/log/short.text
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**Note** : Short test will take maximum 2 minutes whereas in long test there is no time restriction because it read & verify every segment of the entire disk.
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**注意**：short测试将花费最多2分钟，而在long测试中没有时间限制，因为它会读取并验证磁盘的每个段。
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**Example:7 To View Drive’s Self Test result **
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**样例：7 查看驱动器的自检结果**
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root@linuxtechi:~# smartctl -l selftest /dev/sdb
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smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)
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@ -139,7 +138,7 @@ OR
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# 1 Short offline Completed: read failure 90% 492 210841222
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# 2 Extended offline Completed: read failure 90% 492 210841222
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**Example:8 Calculate Estimate time to perform test**
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**样例：8 计算测试时间估值**
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root@linuxtechi:~# smartctl -c /dev/sdb
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smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)
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@ -179,7 +178,7 @@ OR
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SCT Feature Control supported.
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SCT Data Table supported.
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**Example:9 Display Error logs of the disk **
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**样例：9 显示磁盘错误日志**
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root@linuxtechi:~# smartctl -l error /dev/sdb
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@ -219,7 +218,7 @@ OR
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via: http://www.linuxtechi.com/smartctl-monitoring-analysis-tool-hard-drive/
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作者：[Pradeep Kumar][a]
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译者：[译者ID](https://github.com/译者ID)
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译者：[GOLinux](https://github.com/GOLinux)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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