MySQL master热备份 开启主从复制_MySQL

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1 开启binlog

mysql

server-id = 151

log-bin =/opt/soft/mysql/binlog/mysql-bin

binlog_format = MIXED

2 获得基础备份

/opt/soft/mysql/bin/mysqldump -p123456 --single-transaction --master-data=2 AdDataCenter | gzip >AdDataCenter.sql.gz

3 开通用于binlog 复制的 用户

GRANT REPLICATION SLAVE ON *.* TO'repat152'@'192.168.%' IDENTIFIED BY'123456';

4到从机上恢复数据库

gzip –cd AdDataCenter.sql.gzip | opt/soft/mysql/bin/mysql –p123456 AdDataCenter

5 设置复制库选项

gzip -cd AdDataCenter.sql.gz | grep -i"CHANGE MASTER TO"

得到binlog 文件和binlog pos

CHANGEMASTER TO MASTER_HOST='master_host_name',MASTER_USER='replication_user_name',MASTER_PASSWORD='replication_password',MASTER_LOG_FILE='recorded_log_file_name',ASTER_LOG_POS=recorded_log_position;

6 开启从库复制

Start slave

摘自 ylqmf的专栏

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