CREATE TABLE t(i INT) ENGINE=INNODB; INSERT INTO t VALUES (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9); # Generate enough data to overwrite innodb redo log # on the next "INSERT INTO t SELECT * FROM t" execution. INSERT INTO t SELECT * FROM t; INSERT INTO t SELECT * FROM t; INSERT INTO t SELECT * FROM t; INSERT INTO t SELECT * FROM t; INSERT INTO t SELECT * FROM t; INSERT INTO t SELECT * FROM t; INSERT INTO t SELECT * FROM t; INSERT INTO t SELECT * FROM t; INSERT INTO t SELECT * FROM t; # xtrabackup backup FOUND 1 /failed: redo log block is overwritten/ in backup.log FOUND 1 /failed: redo log block checksum does not match/ in backup.log DROP TABLE t;