實現mysql8.0主從複製
阿新 • • 發佈:2022-03-09
#主機192.168.6.132,從:192.168.6.130 mysql-server 8.0.26 #主資料庫配置 #修改server-id號 [root@xinye ~]#vim /etc/my.cnf [mysqld] server-id=32 #建議設定成當前裝置IP尾號避免衝突 #檢視二進位制檔案和位置 mysql> show master logs; +------------------+-----------+-----------+ | Log_name | File_size | Encrypted | +------------------+-----------+-----------+ | mysql-bin.000001 | 156 | No | +------------------+-----------+-----------+ #建立允許複製資料許可權的賬號 mysql> create user repluser@'192.168.6.%' identified by '123456'; mysql> grant replication slave on *.* to 'repluser'@'192.168.6.%'; #從節點配置 [root@centos7-130 ~]#vim /etc/my.cnf.d/mysql-server.cnf [mysqld] server-id=30 #插入資料庫ID read_only=ON #設定成只讀不能修改資料 datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysql/mysqld.log pid-file=/run/mysqld/mysqld.pid #連線主資料庫配置 mysql> CHANGE MASTER TO -> MASTER_HOST='192.168.6.132', #主機地址 -> MASTER_USER='repluser', #複製資料的賬號 -> MASTER_PASSWORD='123456', #密碼 -> MASTER_PORT=3306, -> MASTER_LOG_FILE='mysql-bin.000001', #二進位制檔案 -> MASTER_LOG_POS=156, #二進位制節點 -> MASTER_CONNECT_RETRY=10; #使用有複製許可權的使用者賬號連線至主伺服器,並啟動複製執行緒 mysql> start slave; # mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.6.132 Master_User: repluser Master_Port: 3306 Connect_Retry: 10 Master_Log_File: mysql-bin.000001 Read_Master_Log_Pos: 1066 Relay_Log_File: centos7-130-relay-bin.000002 Relay_Log_Pos: 1233 Relay_Master_Log_File: mysql-bin.000001 Slave_IO_Running: Yes 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: 0 Exec_Master_Log_Pos: 1066 Relay_Log_Space: 1447 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: 32 Master_UUID: 90b7c0ef-9f4e-11ec-99b7-000c297b4c59 Master_Info_File: mysql.slave_master_info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates 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 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: Master_public_key_path: Get_master_public_key: 0 Network_Namespace: