fsck
Check the integrity of a filesystem or repair it. The filesystem should be unmounted at the time the command is run. More information: https://manned.org/fsck.
- Check filesystem
/dev/sdXN, reporting any damaged blocks:
sudo fsck /dev/sdXN
- Check filesystem
/dev/sdXN, reporting any damaged blocks and interactively letting the user choose to repair each one:
sudo fsck -r /dev/sdXN
- Check filesystem
/dev/sdXN, reporting any damaged blocks and automatically repairing them:
sudo fsck -a /dev/sdXN