Modern disk map bad sector to good sector to avoid any sort of error due to bad sector. If a large number of sector mapped to another sectors that means disk is going to fail
smartctl command is very helpful command to diagnose disk related problems
To instruct for selftest , we can issue following command
root# smartctl -l selftest /dev/sda
To get attributes list you can use following command
root#smartctl -A /dev/sda
The output of above command is self explanatory and help you to recognize if there is any problem on hard disk.
smartctl command is very helpful command to diagnose disk related problems
To instruct for selftest , we can issue following command
root# smartctl -l selftest /dev/sda
To get attributes list you can use following command
root#smartctl -A /dev/sda
The output of above command is self explanatory and help you to recognize if there is any problem on hard disk.