Hi,
I have this problem among several different instaces of 5.6.20. I take all the steps as stated in http://dev.mysql.com/doc/refman/5.6/en/tablespace-copying.html and get no errors neither warnings, neither in the cli or the mysql log. (13:23:02) [borrame] > alter table creditLine discard tablespace; Query OK, 0 rows affected (0.30 sec) (copy operation of the .cfg and .ibd files from the origin server) (13:23:19) [borrame] > alter table creditLine import tablespace; Query OK, 0 rows affected (44.35 sec) 2014-10-10 13:26:42 1657 [Note] InnoDB: Importing tablespace for table 'letsbonus/creditLine' that was exported from host 'dualla' 2014-10-10 13:26:42 1657 [Note] InnoDB: Phase I - Update all pages 2014-10-10 13:27:04 1657 [Note] InnoDB: Sync to disk 2014-10-10 13:27:25 1657 [Note] InnoDB: Sync to disk - done! 2014-10-10 13:27:26 1657 [Note] InnoDB: Phase III - Flush changes to disk 2014-10-10 13:27:26 1657 [Note] InnoDB: Phase IV - Flush complete 2014-10-10 13:27:26 1657 [Note] InnoDB: "borrame"."creditLine" autoinc value set to 87313435 After this, the indexes look empty: (13:27:26) [borrame] > show index from creditLine; +------------+------------+--------------------------------+--------------+------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment | +------------+------------+--------------------------------+--------------+------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | creditLine | 0 | PRIMARY | 1 | id | A | 0 | NULL | NULL | | BTREE | | | | creditLine | 1 | creditLine_idClient | 1 | idClient | A | 0 | NULL | NULL | | BTREE | | | | creditLine | 1 | creditLine_idCreditSubTypology | 1 | idCreditTypology | A | 0 | NULL | NULL | | BTREE | | | | creditLine | 1 | creditLine_idCountry | 1 | idCountry | A | 0 | NULL | NULL | | BTREE | | | | creditLine | 1 | creditLine_idAffiliate | 1 | idAffiliate | A | 0 | NULL | NULL | | BTREE | | | | creditLine | 1 | endDate | 1 | endDate | A | 0 | NULL | NULL | YES | BTREE | | | | creditLine | 1 | status | 1 | status | A | 0 | NULL | NULL | | BTREE | | | +------------+------------+--------------------------------+--------------+------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ 7 rows in set (0.00 sec) I have to optimize or null-alter the table to get them working: (13:27:34) [borrame] > alter table creditLine engine = InnoDB; Query OK, 0 rows affected (12 min 57.41 sec) Records: 0 Duplicates: 0 Warnings: 0 (13:51:17) [borrame] > show index from creditLine; +------------+------------+--------------------------------+--------------+------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment | +------------+------------+--------------------------------+--------------+------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | creditLine | 0 | PRIMARY | 1 | id | A | 32237680 | NULL | NULL | | BTREE | | | | creditLine | 1 | creditLine_idClient | 1 | idClient | A | 16118840 | NULL | NULL | | BTREE | | | | creditLine | 1 | creditLine_idCreditSubTypology | 1 | idCreditTypology | A | 1792 | NULL | NULL | | BTREE | | | | creditLine | 1 | creditLine_idCountry | 1 | idCountry | A | 8967 | NULL | NULL | | BTREE | | | | creditLine | 1 | creditLine_idAffiliate | 1 | idAffiliate | A | 2 | NULL | NULL | | BTREE | | | | creditLine | 1 | endDate | 1 | endDate | A | 293069 | NULL | NULL | YES | BTREE | | | | creditLine | 1 | status | 1 | status | A | 4 | NULL | NULL | | BTREE | | | +------------+------------+--------------------------------+--------------+------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ 7 rows in set (0.00 sec) Is this a know issue? Or something I'm missing? I've checked the doc and saw nothing related to this. Thanks, Rubén.