配置Mysql主從服務(wù)實(shí)現(xiàn)實(shí)例

### 配置主數(shù)據(jù)庫(kù)  my.cnf

server-id=1
log-bin=master-bin
log-bin-index=master-bin.index

### 在主數(shù)據(jù)庫(kù)上創(chuàng)建同步賬號(hào)

create user backup;
GRANT REPLICATION SLAVE ON *.* TO 'backup'@'192.168.%.%' IDENTIFIED BY 'mysql';

### 配置從數(shù)據(jù)庫(kù)  my.cnf

server-id=2
relay-log-index=slave-relay-bin.index
relay- 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(dòng)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(jiàn)錯(cuò)誤

錯(cuò)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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