- /dev/mapper/${vm_lvm_lv}_root_deciphered / ext4 defaults,errors=remount-ro,acl,noatime 0 1
- /dev/mapper/${vm_lvm_lv}_var_deciphered /var ext4 defaults,errors=remount-ro,acl,noatime 0 1
- /dev/mapper/${vm_lvm_lv}_home_deciphered /home ext4 defaults,errors=remount-ro,acl,noatime,usrquota,grpquota 0 0
+ /dev/mapper/${vm_lvm_lv}_root_deciphered / ext4 defaults,errors=remount-ro,acl,barrier=1,noatime 0 1
+ /dev/mapper/${vm_lvm_lv}_var_deciphered /var ext4 defaults,errors=remount-ro,acl,barrier=1,noatime 0 1
+ /dev/mapper/${vm_lvm_lv}_home_deciphered /home ext4 defaults,errors=remount-ro,acl,barrier=1,noatime,usrquota,grpquota 0 0
+ # NOTE: barrier=1 réduit drastiquement les performances d'écriture, mais garantit la cohérence du système de fichiers.