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# 部署 MySQL 两节点互为主从+高可用
- 在每台服务器上执行如下操作
- 按实际环境修改
- docker-compose.yml
- keepalived/conf/keepalived.conf
- mysql/my.cnf
- 创建目录
```
grep '\<source:' docker-compose.yml | cut -d: -f2 | xargs mkdir -p
```
- 启动
```
docker-compose up -d
```
- 查看日志,直至出现 "MySQL is ready for connections."
```
docker-compose logs mysql
```
- 配置 mysql 互相同步
```
# 进入mysql终端
docker exec -ti mysql mysql
# 设置同步源
CHANGE REPLICATION SOURCE TO
SOURCE_HOST = '对方 host',
SOURCE_PORT = 3306,
SOURCE_USER = 'replicator',
SOURCE_PASSWORD = 'China_19$(10)!',
SOURCE_AUTO_POSITION = 1;
# 启动同步
START REPLICA;
# 查看同步状态
SHOW REPLICA STATUS\G
# 如果输出Replica_IO_Running: Yes和Replica_SQL_Running: Yes则同步正常
# 退出 mysql
quit
```
- 在其中一台 mysql 服务器上导入初始数据