Elena Stepanova added a comment - 2015-10-03 03:01 - edited Michaël de groot , Please provide your configuration (cnf files), data structure, INSERT that you are running and the string that you find in the InnoDB logs. Here is an example of my results (could not reproduce the problem so far): New server started with innodb_encrypt_log=1 MariaDB [test]> select @@innodb_encrypt_log; +----------------------+ | @@innodb_encrypt_log | +----------------------+ | 1 | +----------------------+ 1 row in set (0.00 sec) MariaDB [test]> create table t1 (pk int primary key, c varchar(256)) engine=InnoDB; Query OK, 0 rows affected (0.58 sec) MariaDB [test]> insert into t1 values (1,'foobar1'); Query OK, 1 row affected (0.10 sec) MariaDB [test]> system strings data/ib_logfile* | grep foobar1 Server is restarted with innodb_encrypt_log=0 MariaDB [test]> select @@innodb_encrypt_log; +----------------------+ | @@innodb_encrypt_log | +----------------------+ | 0 | +----------------------+ 1 row in set (0.01 sec) MariaDB [test]> create table t2 (pk int primary key, c varchar(256)) engine=InnoDB; Query OK, 0 rows affected (0.61 sec) MariaDB [test]> insert into t2 values (1,'foobar2'); Query OK, 1 row affected (0.10 sec) MariaDB [test]> system strings data/ib_logfile* | grep foobar2 foobar2 Server is restarted again with innodb_encrypt_log=1 MariaDB [test]> select @@innodb_encrypt_log; +----------------------+ | @@innodb_encrypt_log | +----------------------+ | 1 | +----------------------+ 1 row in set (0.00 sec) MariaDB [test]> create table t3 (pk int primary key, c varchar(256)) engine=InnoDB; Query OK, 0 rows affected (0.57 sec) MariaDB [test]> insert into t3 values (1,'foobar3'); Query OK, 1 row affected (0.14 sec) MariaDB [test]> system strings data/ib_logfile* | grep foobar3