[ERROR] /usr/sbin/mysqld: Table './mydb/mytable' is marked as crashed
and last (automatic?) repair failed

+--------------+-------+----------+----------------------------------------------------------+
| Table        | Op    | Msg_type | Msg_text                                                 |
+--------------+-------+----------+----------------------------------------------------------+
| mydb.mytable | check | warning  | Table is marked as crashed and last repair failed        |
| mydb.mytable | check | warning  | 5 clients are using or haven't closed the table properly |
| mydb.mytable | check | warning  | Size of indexfile is: 215237632      Should be: 4096     |
| mydb.mytable | check | error    | Record-count is not ok; is 4212263   Should be: 0        |
| mydb.mytable | check | warning  | Found 48 deleted space.   Should be 0                    |
| mydb.mytable | check | warning  | Found 1 deleted blocks       Should be: 0                |
| mydb.mytable | check | warning  | Found 8362327 key parts. Should be: 0                    |
| mydb.mytable | check | error    | Corrupt                                                  |
+--------------+-------+----------+----------------------------------------------------------+