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  • centos7上mariadb主主复制

    mariadb1: 192.168.11.247

    mariadb2: 192.168.11.246

    1 mariadb1配置
    vi /etc/my.cnf.d/server.cnf

    [mysqld]

    server-id = 1

    log-bin = master-log

    relay-log = slave-log

    auto_increment_offset = 1

    auto_increment_increment = 2

    2 mariadb2配置
    vi /etc/my.cnf.d/server.cnf

    [mysqld]

    server-id = 2

    log-bin = master-log

    relay-log = slave-log

    auto_increment_offset = 2

    auto_increment_increment = 2

    3 重启mariadb服务

    systemctl restart mariadb

    4 mariadb1主, mariadb2从配置

    mariadb1在sql里面执行:
    MariaDB [(none)]> create user 'lan'@'192.168.11.%' identified by '666666';
    MariaDB [(none)]> grant replication slave on . to 'lan'@'192.168.11.%';
    show master status;

    mariadb2在sql里面执行:

    log_file和log_pos的数据是mariad1上show master status得到的数据

    change master to master_host='192.168.11.247', master_user='lan', master_password='666666', master_log_file='master-log.000001', master_log_pos=498;
    start slave;
    show slave statusG;

    5 mariadb2为主, mariadb1从配置

    mariadb2在sql里面执行:
    MariaDB [(none)]> create user 'lan'@'192.168.11.%' identified by '666666';
    MariaDB [(none)]> grant replication slave on . to 'lan'@'192.168.11.%';
    show master status;

    mariadb1在sql里面执行:

    log_file和log_pos的数据是mariad2上show master status得到的数据

    change master to master_host='192.168.11.246', master_user='lan', master_password='666666', master_log_file='master-log.000001', master_log_pos=498;
    start slave;
    show slave statusG;

    至此, 主主同步复制配置完成,撒花

    微醺生活,醉美人生
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  • 原文地址:https://www.cnblogs.com/sonyy/p/13153341.html
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