+ -A, --all
+Start LFSCK on all MDT devices.
+.TP
+ -c, --create_ostobj [on | off]
+Create the lost OST-object for dangling LOV EA: 'off'(default) or 'on'. Under
+default mode, when the LFSCK find some MDT-object with dangling reference, it
+will report the inconsistency but without repairing. Otherwise the LFSCK will
+re-create the missed OST-object.
+.TP