Hi all! I've problems with Master-Master Replication. Replication was working until now, and stopped with the following error: Code: Master1: mysql> show slave status \G; *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.1.38 Master_User: replication Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000075 Read_Master_Log_Pos: 1276894 Relay_Log_File: brain-relay-bin.000005 Relay_Log_Pos: 251 Relay_Master_Log_File: mysql-bin.000074 Slave_IO_Running: Yes Slave_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 1062 Last_Error: Error 'Duplicate entry '1644775' for key 'PRIMARY'' on query. Default database: 'db1Furlan'. Query: 'insert into FTCXLCTO ( ID_CXLC,ID_EMPR,ID_FILI,ID_USER,CX_DATA,CX_ORCA,CX_SERV,CX_OUTR,CX_TOTA,CX_RECE,CX_TROC,CX_FRQA,CP_NUME,NF_NUME,NF_SERI,CX_CART,CX_QTPA,CX_DBCR,CX_CNPF,CX_DTID,CX_OPID ) values ( 1644775,'FLN', 1,'GASILVA','2011/05/23 00:00:00', 10.00, 0.00, 0.00, 10.00, 0.00, 0.00, 0, 31509, 0,' ', 0, 1, 0,' ','2011/05/23 07:50:01', 447)' Skip_Counter: 0 Exec_Master_Log_Pos: 106 Relay_Log_Space: 6326966 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 1062 Last_SQL_Error: Error 'Duplicate entry '1644775' for key 'PRIMARY'' on query. Default database: 'db1Furlan'. Query: 'insert into FTCXLCTO ( ID_CXLC,ID_EMPR,ID_FILI,ID_USER,CX_DATA,CX_ORCA,CX_SERV,CX_OUTR,CX_TOTA,CX_RECE,CX_TROC,CX_FRQA,CP_NUME,NF_NUME,NF_SERI,CX_CART,CX_QTPA,CX_DBCR,CX_CNPF,CX_DTID,CX_OPID ) values ( 1644775,'FLN', 1,'GASILVA','2011/05/23 00:00:00', 10.00, 0.00, 0.00, 10.00, 0.00, 0.00, 0, 31509, 0,' ', 0, 1, 0,' ','2011/05/23 07:50:01', 447)' 1 row in set (0.00 sec) ERROR: No query specified mysql> Code: Master2: mysql> show slave status \G; *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.1.39 Master_User: replication Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000080 Read_Master_Log_Pos: 29612653 Relay_Log_File: brain2-relay-bin.000003 Relay_Log_Pos: 10233 Relay_Master_Log_File: mysql-bin.000077 Slave_IO_Running: Yes Slave_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 1062 Last_Error: Error 'Duplicate entry '3704344' for key 'PRIMARY'' on query. Default database: 'db1Furlan'. Query: 'insert into SERVORDS ( ID_EMPR,ID_NROS,ID_SITU,ID_FILI,ID_PEDI,ID_USER,ID_CLIE,ID_VEND,ID_MATR,ID_GRSE,OS_NUME,OS_DATA,OS_DTPR,OS_DTIN,OS_DTFI,OS_DTAC,OS_DTAG,OS_LOJA,OS_LCOL,OS_PLAC,OS_NCOR,OS_MODE,OS_CONT,OS_FONE,OS_MATR,OS_DTID,OS_OPID ) values ('FLN', 3704344, 1, 1, 3704344,' ', 585635, 49, 0, 0, 3662009,'2011/05/21 00:00:00','1900/01/01','1900/01/01','1900/01/01','1900/01/01','1900/01/01', 0, 0,' ',' ',' ',' ',' ', 0,'2011/05/21 07:15:59', 84)' Skip_Counter: 0 Exec_Master_Log_Pos: 10088 Relay_Log_Space: 280846407 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 1062 Last_SQL_Error: Error 'Duplicate entry '3704344' for key 'PRIMARY'' on query. Default database: 'db1Furlan'. Query: 'insert into SERVORDS ( ID_EMPR,ID_NROS,ID_SITU,ID_FILI,ID_PEDI,ID_USER,ID_CLIE,ID_VEND,ID_MATR,ID_GRSE,OS_NUME,OS_DATA,OS_DTPR,OS_DTIN,OS_DTFI,OS_DTAC,OS_DTAG,OS_LOJA,OS_LCOL,OS_PLAC,OS_NCOR,OS_MODE,OS_CONT,OS_FONE,OS_MATR,OS_DTID,OS_OPID ) values ('FLN', 3704344, 1, 1, 3704344,' ', 585635, 49, 0, 0, 3662009,'2011/05/21 00:00:00','1900/01/01','1900/01/01','1900/01/01','1900/01/01','1900/01/01', 0, 0,' ',' ',' ',' ',' ', 0,'2011/05/21 07:15:59', 84)' 1 row in set (0.00 sec) ERROR: No query specified mysql> show slave status \G; *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.1.39 Master_User: replication Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000080 Read_Master_Log_Pos: 29878299 Relay_Log_File: brain2-relay-bin.000003 Relay_Log_Pos: 10233 Relay_Master_Log_File: mysql-bin.000077 Slave_IO_Running: Yes Slave_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 1062 Last_Error: Error 'Duplicate entry '3704344' for key 'PRIMARY'' on query. Default database: 'db1Furlan'. Query: 'insert into SERVORDS ( ID_EMPR,ID_NROS,ID_SITU,ID_FILI,ID_PEDI,ID_USER,ID_CLIE,ID_VEND,ID_MATR,ID_GRSE,OS_NUME,OS_DATA,OS_DTPR,OS_DTIN,OS_DTFI,OS_DTAC,OS_DTAG,OS_LOJA,OS_LCOL,OS_PLAC,OS_NCOR,OS_MODE,OS_CONT,OS_FONE,OS_MATR,OS_DTID,OS_OPID ) values ('FLN', 3704344, 1, 1, 3704344,' ', 585635, 49, 0, 0, 3662009,'2011/05/21 00:00:00','1900/01/01','1900/01/01','1900/01/01','1900/01/01','1900/01/01', 0, 0,' ',' ',' ',' ',' ', 0,'2011/05/21 07:15:59', 84)' Skip_Counter: 0 Exec_Master_Log_Pos: 10088 Relay_Log_Space: 281112053 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 1062 Last_SQL_Error: Error 'Duplicate entry '3704344' for key 'PRIMARY'' on query. Default database: 'db1Furlan'. Query: 'insert into SERVORDS ( ID_EMPR,ID_NROS,ID_SITU,ID_FILI,ID_PEDI,ID_USER,ID_CLIE,ID_VEND,ID_MATR,ID_GRSE,OS_NUME,OS_DATA,OS_DTPR,OS_DTIN,OS_DTFI,OS_DTAC,OS_DTAG,OS_LOJA,OS_LCOL,OS_PLAC,OS_NCOR,OS_MODE,OS_CONT,OS_FONE,OS_MATR,OS_DTID,OS_OPID ) values ('FLN', 3704344, 1, 1, 3704344,' ', 585635, 49, 0, 0, 3662009,'2011/05/21 00:00:00','1900/01/01','1900/01/01','1900/01/01','1900/01/01','1900/01/01', 0, 0,' ',' ',' ',' ',' ', 0,'2011/05/21 07:15:59', 84)' 1 row in set (0.00 sec) ERROR: No query specified mysql> show slave status \G; *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.1.39 Master_User: replication Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000080 Read_Master_Log_Pos: 29895190 Relay_Log_File: brain2-relay-bin.000003 Relay_Log_Pos: 10233 Relay_Master_Log_File: mysql-bin.000077 Slave_IO_Running: Yes Slave_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 1062 Last_Error: Error 'Duplicate entry '3704344' for key 'PRIMARY'' on query. Default database: 'db1Furlan'. Query: 'insert into SERVORDS ( ID_EMPR,ID_NROS,ID_SITU,ID_FILI,ID_PEDI,ID_USER,ID_CLIE,ID_VEND,ID_MATR,ID_GRSE,OS_NUME,OS_DATA,OS_DTPR,OS_DTIN,OS_DTFI,OS_DTAC,OS_DTAG,OS_LOJA,OS_LCOL,OS_PLAC,OS_NCOR,OS_MODE,OS_CONT,OS_FONE,OS_MATR,OS_DTID,OS_OPID ) values ('FLN', 3704344, 1, 1, 3704344,' ', 585635, 49, 0, 0, 3662009,'2011/05/21 00:00:00','1900/01/01','1900/01/01','1900/01/01','1900/01/01','1900/01/01', 0, 0,' ',' ',' ',' ',' ', 0,'2011/05/21 07:15:59', 84)' Skip_Counter: 0 Exec_Master_Log_Pos: 10088 Relay_Log_Space: 281128944 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 1062 Last_SQL_Error: Error 'Duplicate entry '3704344' for key 'PRIMARY'' on query. Default database: 'db1Furlan'. Query: 'insert into SERVORDS ( ID_EMPR,ID_NROS,ID_SITU,ID_FILI,ID_PEDI,ID_USER,ID_CLIE,ID_VEND,ID_MATR,ID_GRSE,OS_NUME,OS_DATA,OS_DTPR,OS_DTIN,OS_DTFI,OS_DTAC,OS_DTAG,OS_LOJA,OS_LCOL,OS_PLAC,OS_NCOR,OS_MODE,OS_CONT,OS_FONE,OS_MATR,OS_DTID,OS_OPID ) values ('FLN', 3704344, 1, 1, 3704344,' ', 585635, 49, 0, 0, 3662009,'2011/05/21 00:00:00','1900/01/01','1900/01/01','1900/01/01','1900/01/01','1900/01/01', 0, 0,' ',' ',' ',' ',' ', 0,'2011/05/21 07:15:59', 84)' 1 row in set (0.00 sec) ERROR: No query specified mysql> To reduce the load of database Master1, I put some users at the database Master1 and some at the database Master2. How can I do to fix the problem? I tried to run the command "skip count error" but not solved the problem...