安装:
yum install smartmontools
help:
#smartctl --help
smartctl version 5.38 [i686-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/
Usage: smartctl [options] device
============================================ SHOW INFORMATION OPTIONS =====
-h, --help, --usage
Display this help and exit
-V, --version, --copyright, --license
Print license, copyright, and version information and exit
-i, --info
Show identity information for device
-a, --all
Show all SMART information for device
================================== SMARTCTL RUN-TIME BEHAVIOR OPTIONS =====
-q TYPE, --quietmode=TYPE (ATA)
Set smartctl quiet mode to one of: errorsonly, silent, noserial
-d TYPE, --device=TYPE
Specify device type to one of: ata, scsi, marvell, sat, 3ware,N
-T TYPE, --tolerance=TYPE (ATA)
Tolerance: normal, conservative, permissive, verypermissive
-b TYPE, --badsum=TYPE (ATA)
Set action on bad checksum to one of: warn, exit, ignore
-r TYPE, --report=TYPE
Report transactions (see man page)
-n MODE, --nocheck=MODE (ATA)
No check if: never, sleep, standby, idle (see man page)
============================== DEVICE FEATURE ENABLE/DISABLE COMMANDS =====
-s VALUE, --smart=VALUE
Enable/disable SMART on device (on/off)
-o VALUE, --offlineauto=VALUE (ATA)
Enable/disable automatic offline testing on device (on/off)
-S VALUE, --saveauto=VALUE (ATA)
Enable/disable Attribute autosave on device (on/off)
======================================= READ AND DISPLAY DATA OPTIONS =====
-H, --health
Show device SMART health status
-c, --capabilities (ATA)
Show device SMART capabilities
-A, --attributes
Show device SMART vendor-specific Attributes and values
-l TYPE, --log=TYPE
Show device log. TYPE: error, selftest, selective, directory,
background, scttemp[sts,hist]
-v N,OPTION , --vendorattribute=N,OPTION (ATA)
Set display OPTION for vendor Attribute N (see man page)
-F TYPE, --firmwarebug=TYPE (ATA)
Use firmware bug workaround: none, samsung, samsung2,
samsung3, swapid
-P TYPE, --presets=TYPE (ATA)
Drive-specific presets: use, ignore, show, showall
============================================ DEVICE SELF-TEST OPTIONS =====
-t TEST, --test=TEST
Run test. TEST: offline short long conveyance select,M-N
pending,N afterselect,[on|off] scttempint,N[,p]
-C, --captive
Do test in captive mode (along with -t)
-X, --abort
Abort any non-captive test on device
=================================================== SMARTCTL EXAMPLES =====
smartctl --all /dev/hda (Prints all SMART information)
smartctl --smart=on --offlineauto=on --saveauto=on /dev/hda
(Enables SMART on first disk)
smartctl --test=long /dev/hda (Executes extended disk self-test)
smartctl --attributes --log=selftest --quietmode=errorsonly /dev/hda
(Prints Self-Test & Attribute errors)
smartctl --all --device=3ware,2 /dev/sda
smartctl --all --device=3ware,2 /dev/twe0
smartctl --all --device=3ware,2 /dev/twa0
(Prints all SMART info for 3rd ATA disk on 3ware RAID controller)
smartctl --all --device=hpt,1/1/3 /dev/sda
(Prints all SMART info for the SATA disk attached to the 3rd PMPort
of the 1st channel on the 1st HighPoint RAID controller)
简单用法：
1、smartctl -a 检查该设备是否已经打开SMART技术。
2、smartctl -s on 如果没有打开SMART技术，使用该命令打开SMART技术。
3、smartctl -t short 后台检测硬盘，消耗时间短；
smartctl -t long 后台检测硬盘，消耗时间长；
smartctl -C -t short 前台检测硬盘，消耗时间短；
smartctl -C -t long 前台检测硬盘，消耗时间长。其实就是利用硬盘SMART的自检程序。
4、smartctl -X 中断后台检测硬盘。
5、smartctl -l selftest 显示硬盘检测日志。
6、smartctl -l error 显示硬盘错误汇总。
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