mysql> REPAIR TABLE mt_session;
+---------------+--------+----------+------------------------------------------------------+
| Table | Op | Msg_type | Msg_text |
+---------------+--------+----------+------------------------------------------------------+
| mt.mt_session | repair | info | Found block that points outside data file at 0000184 |
| mt.mt_session | repair | info | Found block that points outside data file at 0000456 |
| mt.mt_session | repair | warning | Number of rows changed from 493 to 488 |
| mt.mt_session | repair | status | OK |
+---------------+--------+----------+------------------------------------------------------+
4 rows in set (0.98 sec)