I have been trying to get MySQL replication set up on digital ocean with forge servers & Maria DB.
I keep getting this error when running slave status\\g :
Fatal error: The slave I/O thread stops because master and slave have equal MySQL server ids; these ids must be different for replication to work (or the --replicate-same-server-id option must be used on slave but this does not always make sense; please check the manual before using it).
This is the tutorial I followed: https://www.digitalocean.com/community/tutorials/how-to-set-up-master-slave-replication-in-mysql
I've checked the server-id in both my.conf files and the master is set to 1 and the slave 2.
Here's a dump of the full status\\g output
MariaDB [(none)]> SHOW SLAVE STATUS\\G
*************************** 1. row *************************** Slave_IO_State: Master_Host: ***** Master_User: slave_user Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mariadb-bin.000017 Read_Master_Log_Pos: 642 Relay_Log_File: mysqld-relay-bin.000002 Relay_Log_Pos: 4 <br> Relay_Master_Log_File: mariadb-bin.000017 Slave_IO_Running: No Slave_SQL_Running: Yes Replicate_Do_DB:
Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 1 Exec_Master_Log_Pos: 642 Relay_Log_Space: 249 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: 1593 Last_IO_Error: Fatal error: The slave I/O thread stops because master and slave have equal MySQL server ids; these ids must be different for replication to work (or the --replicate-same-server-id option must be used on slave but this does not always make sense; please check the manual before using it). Last_SQL_Errno: 0 Last_SQL_Error:
Replicate_Ignore_Server_Ids: Master_Server_Id: 1 Master_SSL_Crl: Master_SSL_Crlpath: Using_Gtid: No Gtid_IO_Pos: Replicate_Do_Domain_Ids: Replicate_Ignore_Domain_Ids: Parallel_Mode: conservative
Can anyone help?
Check that the config file is being used. It is probably /etc/my.cnf
(not my.conf
).
Run SHOW VARIABLES LIKE 'server_id';
on both servers.
Check that server_id
is in the [mysqld]
section of my.cnf
.
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