配置Mysql主從服務(wù)實現(xiàn)實例
### 配置主數(shù)據(jù)庫 my.cnf
| server-id=1log-bin=master-binlog-bin-index=master-bin.index |
### 在主數(shù)據(jù)庫上創(chuàng)建同步賬號
| create user backup;GRANT REPLICATION SLAVE ON *.* TO 'backup'@'192.168.%.%' IDENTIFIED BY 'mysql'; |
### 配置從數(shù)據(jù)庫 my.cnf
| server-id=2relay-log-index=slave-relay-bin.indexrelay- log=slave-relay-bin |
### 重啟mysql服務(wù)
| service mysqld restart |
### 連接Master服務(wù)
| change master to master_host='192.168.91.128',master_port=3306,master_user='backup',master_password='mysql',master_log_file='master-bin.000001',master_log_pos=0; |
### 啟動slave服務(wù)
| start slave; |
### 查看Master服務(wù)狀態(tài)
| SHOW MASTER STATUS; |
### 查看Slave服務(wù)狀態(tài)
| SHOW slave STATUS /G; |
### 檢查server_id是否一樣,需要不一樣
| show variables like 'server_id'; |
常見錯誤
錯誤: Fatal error: The slave I/O thread stops because master and slave have equal MySQL server UUIDs; these UUIDs must be different for replication to work.
解決方式: 檢查data目錄中的auto.cnf中的server-uuid=******************** 是否一樣的,要改為不一樣
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