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= Disk monitoring =
= Disk monitoring =


= Links =
= Links =
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*[https://www.thomas-krenn.com/en/wiki/Smartmontools_with_MegaRAID_Controller Smartmontools with megaraid]  
*[https://www.thomas-krenn.com/en/wiki/Smartmontools_with_MegaRAID_Controller Smartmontools with megaraid]  
*[https://wiki.archlinux.org/index.php/S.M.A.R.T https://wiki.archlinux.org/index.php/S.M.A.R.T].  
*[https://wiki.archlinux.org/index.php/S.M.A.R.T https://wiki.archlinux.org/index.php/S.M.A.R.T].  
 
*[https://www.smartmontools.org/wiki/FAQ smartmontools FAQ]
*[https://www.backblaze.com/blog/hard-drive-smart-stats/ Smart hard drive stats]  
*[https://www.backblaze.com/blog/hard-drive-smart-stats/ Smart hard drive stats]


= Tools =
= Tools =

Revision as of 10:02, 18 January 2022

Disk monitoring

Links

Tools

  • smartctl
  • gsmartcontrol

 

Useful commands

enable smart

smartctl -i /dev/sda

check smart status

smartctl -a /dev/sda

 

check error log

smartctl -l error /dev/sdb
      

Device: /dev/bus/0 [megaraid_disk_09] [SAT]

Try

smartctl --scan

 

 

Some codes and messages

LBA_of_first_error

 

Device is: Not in smartctl database [for details use: -P showall]

Try

/usr/sbin/update-smart-drivedb

otherwise check out https://www.smartmontools.org/wiki/FAQ#MyATASATAdriveisnotinthesmartctlsmartddatabase

Uncorrectable Sector Count

Check https://medium.com/@satyeshukumar/how-to-fix-uncorrectable-sector-count-warning-5a38c56d3faf

198 Offline Uncorrectable

bad sign, on ssd mostly/only when number gets high

 

SSD specific

231 SSD_Life_Left

Percentage of life left

 

241 Lifetime_Writes_GiB

Amount of data written so far

smartd: Failed SMART usage Attribute

Might be yelling about a disk that's already been replaced, try restarting smartd


FAQ

List disks

smartctl --scan

A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options.

meh

 

Device: /dev/bus/0 [megaraid_disk_09] [SAT], failed to read SMART Attribute Data

Controller probably doesn't allow smart,