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Smartctl (Self-Monitoring, Analysis and Reporting Technology) is a command line
utility where smart disks can be checked for errors and info extracted.
##Example:1 Check Whether Smart Capability is enabled or not for the disk##
`$ smartctl -i /dev/sdb`
`smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)`
`Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org`
``
`=== START OF INFORMATION SECTION ===`
`Model Family: Seagate Momentus 5400.6`
`Device Model: ST9320325AS`
`Serial Number: 5VD2V59T`
`LU WWN Device Id: 5 000c50 020a37ec4`
`Firmware Version: 0002BSM1`
`User Capacity: 320,072,933,376 bytes [320 GB]`
`Sector Size: 512 bytes logical/physical`
`Rotation Rate: 5400 rpm`
`Device is: In smartctl database [for details use: -P show]`
`ATA Version is: ATA8-ACS T13/1699-D revision 4`
`SATA Version is: SATA 2.6, 1.5 Gb/s`
`Local Time is: Sun Nov 16 12:32:09 2014 IST`
`SMART support is: Available - device has SMART capability.`
`SMART support is: Enabled``
Where `/dev/sdb` is your hard disk.
##Example:2 Enable Smart Capability for the disk##
`$ smartctl -s on /dev/sdb`
`smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)`
`Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org`
``
`=== START OF ENABLE/DISABLE COMMANDS SECTION ===`
`SMART Enabled.`
##Example:3 Disable Smart Capability for the disk##
`$ smartctl -s off /dev/sdb`
`smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)`
`Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org`
``
`=== START OF ENABLE/DISABLE COMMANDS SECTION ===`
`SMART Disabled. Use option -s with argument 'on' to enable it.`
##Example:4 Display Detailed Smart info for the disk##
`$ smartctl -a /dev/sdb // For IDE drive`
`$ smartctl -a -d ata /dev/sdb // For SATA drive`
##Example:5 Display Overall health of the Disk##
`$ smartctl -H /dev/sdb`
`smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)`
`Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org`
``
`=== START OF READ SMART DATA SECTION ===`
`SMART overall-health self-assessment test result: PASSED`
`Warning: This result is based on an Attribute check.`
`Please note the following marginal Attributes:`
`ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE`
`190 Airflow_Temperature_Cel 0x0022 067 045 045 Old_age Always In_the_past 33 (Min/Max 25/33)`
``
##Example:6 Test Hard drive using long & short option.##
__Long Test__
`$ smartctl --test=long /dev/sdb`
`smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)`
`Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org`
``
`=== START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION ===`
`Sending command: "Execute SMART Extended self-test routine immediately in off-line mode".`
`Drive command "Execute SMART Extended self-test routine immediately in off-line mode" successful.`
`Testing has begun.`
`Please wait 102 minutes for test to complete.`
`Test will complete after Sun Nov 16 14:29:43 2014`
``
`Use smartctl -X to abort test.`
OR We can redirect test output to a log file , as shown below
`$ smartctl --test=long /dev/sdb > /var/log/long.text`
__Short Test__
`$ smartctl --test=short /dev/sdb`
`smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)`
`Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org`
``
`=== START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION ===`
`Sending command: "Execute SMART Short self-test routine immediately in off-line mode".`
`Drive command "Execute SMART Short self-test routine immediately in off-line mode" successful.`
`Testing has begun.`
`Please wait 1 minutes for test to complete.`
`Test will complete after Sun Nov 16 12:51:45 2014`
``
`Use smartctl -X to abort test.`
OR
`$ smartctl --test=short /dev/sdb > /var/log/short.text`
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.
##Example:7 To View Drive’s Self Test result##
`$ smartctl -l selftest /dev/sdb`
`smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)`
`Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org`
``
`=== START OF READ SMART DATA SECTION ===`
`SMART Self-test log structure revision number 1`
`Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error`
`# 1 Short offline Completed: read failure 90% 492 210841222`
`# 2 Extended offline Completed: read failure 90% 492 210841222`
##Example:8 Calculate Estimate time to perform test##
`$ smartctl -c /dev/sdb`
`smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)`
`Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org`
``
`=== START OF READ SMART DATA SECTION ===`
`General SMART Values:`
`Offline data collection status: (0x00) Offline data collection activity`
` was never started.`
` Auto Offline Data Collection: Disabled.`
`Self-test execution status: ( 121) The previous self-test completed having`
` the read element of the test failed.`
`Total time to complete Offline `
`data collection: ( 0) seconds.`
`Offline data collection`
`capabilities: (0x73) SMART execute Offline immediate.`
` Auto Offline data collection on/off support.`
` Suspend Offline collection upon new`
` command.`
` No Offline surface scan supported.`
` Self-test supported.`
` Conveyance Self-test supported.`
` Selective Self-test supported.`
`SMART capabilities: (0x0003) Saves SMART data before entering`
` power-saving mode.`
` Supports SMART auto save timer.`
`Error logging capability: (0x01) Error logging supported.`
` General Purpose Logging supported.`
`Short self-test routine `
`recommended polling time: ( 1) minutes.`
`Extended self-test routine`
`recommended polling time: ( 102) minutes.`
`Conveyance self-test routine`
`recommended polling time: ( 2) minutes.`
`SCT capabilities: (0x103b) SCT Status supported.`
` SCT Error Recovery Control supported.`
` SCT Feature Control supported.`
` SCT Data Table supported.`
##Example:9 Display Error logs of the disk##
`$ smartctl -l error /dev/sdb`
Sample Output
`smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-32-generic] (local build)`
`Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org`
``
`=== START OF READ SMART DATA SECTION ===`
`SMART Error Log Version: 1`
`ATA Error Count: 5`
` CR = Command Register [HEX]`
` FR = Features Register [HEX]`
` SC = Sector Count Register [HEX]`
` SN = Sector Number Register [HEX]`
` CL = Cylinder Low Register [HEX]`
` CH = Cylinder High Register [HEX]`
` DH = Device/Head Register [HEX]`
` DC = Device Command Register [HEX]`
` ER = Error register [HEX]`
` ST = Status register [HEX]`
`Powered_Up_Time is measured from power on, and printed as`
`DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,`
`SS=sec, and sss=millisec. It "wraps" after 49.710 days.`
``
`Commands leading to the command that caused the error were:`
` CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name`
` -- -- -- -- -- -- -- -- ---------------- --------------------`
` 25 da 08 e7 e5 a5 4c 00 00:30:44.515 READ DMA EXT`
` 25 da 08 df e5 a5 4c 00 00:30:44.514 READ DMA EXT`
` 25 da 80 5f e5 a5 4c 00 00:30:44.502 READ DMA EXT`
` 25 da f0 5f e6 a5 4c 00 00:30:44.496 READ DMA EXT`
` 25 da 10 4f e6 a5 4c 00 00:30:44.383 READ DMA EXT`
|
