Smart

Disk monitoring

Links

• Smartmontools wiki
• Wikipedia article
• Understanding SMART reports
• https://www.thomas-krenn.com/en/wiki/SMART_tests_with_smartctl
• Smartmontools with megaraid
• https://wiki.archlinux.org/index.php/S.M.A.R.T.

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

• https://www.smartmontools.org/wiki/BadBlockHowto

 

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

• [https://unix.stackexchange.com/questions/106678/how-to-check-the-life-left-in-ssd-or-the-mediums-wear-level

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