实验场景(mysql的安装在此不赘述): Master:192.168.189.145:3307; Slave:192.168.189.146:3307; mysql版本需一致。 Master配置: 配置mysql主配置文件: #vi /etc/my.cnf [mysqld] server_id = 1 log_bin = /mydata/mysql-bin.log log_bin_index = /mydata/mysql-bin.log.index relay_log = /mydata/mysql-relay-bin relay_log_index = /mydata/mysql-relay-bin.index expire_logs_days = 10 max_binlog_size = 100M log_slave_updates = 1 auto_increment_increment = 2 auto_increment_offset = 1 max_connections=1500 lower_case_table_names = 1 port = 3307 sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES mysql配置: #/usr/local/mysql/bin/mysql 建立复制所要使用的用户; mysql>show master status\G File: mysql-bin.000002 Position: 1080 Binlog_Do_DB: Binlog_Ignore_DB: Executed_Gtid_Set: Slave配置: 配置mysql主配置文件: #vi /etc/my.cnf [mysqld] server_id = 2 log_bin = /mydata/mysql-bin.log log_bin_index = /mydata/mysql-bin.log.index relay_log = /mydata/mysql-relay-bin relay_log_index = /mydata/mysql-relay-bin.index expire_logs_days = 10 max_binlog_size = 100M log_slave_updates = 1 auto_increment_increment = 2 auto_increment_offset = 1 max_connections=1500 lower_case_table_names = 1 port = 3307 sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES mysql配置: mysql>change master to master_host='192.168.189.145', >master_user='replication', >master_password='123456', >master_log_file='mysql-bin.000002', >master_log_pos=1080, >master_port=3307; -------假如master端口不是3306 mysql>start slave; -----开启备份 查看主从状态: mysql> show slave status\G Slave_IO_State: Waiting for master to send event Master_Host: 192.168.189.145 Master_User: replication Master_Port: 3307 Connect_Retry: 60 Master_Log_File: mysql-bin.000002 ----与master一致 Read_Master_Log_Pos: 1080 Relay_Log_File: mysql-relay-bin.000002 Relay_Log_Pos: 1243 Relay_Master_Log_File: mysql-bin.000002 Slave_IO_Running: Yes -----说明同步正常 Slave_SQL_Running: Yes -----说明同步正常 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: 0 Exec_Master_Log_Pos: 1080 Relay_Log_Space: 1416 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: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 1 Master_UUID: 381465c0-6a51-11e4-bd77-000c29c83728 Master_Info_File: /mydata/master.info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: Executed_Gtid_Set: Auto_Position: 0 这时就可以操作master库,看slave是否同步。
|