InnoDB: Error: checksum mismatch in data file /data/mysql/ibdata1

 :: InnoDB: Could not open or create data files.

 :: InnoDB: If you tried to add new data files, and it failed here,

 :: InnoDB: you should now edit innodb_data_file_path in my.cnf back

 :: InnoDB: to what it was, and remove the new ibdata files InnoDB created

 :: InnoDB: in this failed attempt. InnoDB only wrote those files full of

 :: InnoDB: zeros, but did not yet use them in any way. But be careful: do not

 :: InnoDB: remove old data files which contain your precious data!

 :: [ERROR] Plugin 'InnoDB' init function returned error.

 :: [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.

 :: [ERROR] Unknown/unsupported storage engine: InnoDB

 :: [ERROR] Aborting

 :: [Note] /usr/local/mysql/bin/mysqld: Shutdown complete

innodb_force_recovery=6

innodb_purge_thread=0