1 Device & Mount
Run sudo blkid to find UUIDs
2 Options & Permissions
3 System Checks
Used by the obsolete dump utility.
Order in which fsck checks the drive at boot.
/etc/fstab entry
Safety First: Verify Before Reboot
A syntax error in fstab can prevent your server from booting. Always test the configuration immediately after editing the file.
Verification Command
sudo mount -a
If the command produces no output, your syntax is likely correct.
Why use this?
- Prevents syntax errors that hang boot processes.
- Ensures correct credential file handling for SMB.
- Applies optimized mount flags (noatime, etc).
- Clarifies the confusing "0 0" dump/pass numbers.