三机互备MYSQL同步复制

主：

! Configuration File for keepalived

global_defs {
   notification_email {
jkuser@163.com
   }
   notification_email_from root@localhost.local
   smtp_server localhost
   smtp_connect_timeout 30
   router_id master_mysql
}

vrrp_instance VI_mysqlha {
    state MASTER
    interface eth1
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass aaa111
    }
    virtual_ipaddress {
        172.16.20.100
    }
}

virtual_server 172.16.20.100 3306 {
    delay_loop 6
    lb_algo wrr
    lb_kind DR
    persistence_timeout 60
    protocol TCP

    real_server 172.16.20.22 3306 {
        weight 3
 notify_down /usr/local/mysql/bin/mysqlha.sh
 TCP_CHECK {
            connect_timeout 13
            nb_get_retry 3
            delay_before_retry 3
     connect_port 3306
        }
    }
}

vrrp_instance VI_mysqlharo {
    state BACKUP
    interface eth1
    virtual_router_id 60
    priority 60
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass aaa222
    }
    virtual_ipaddress {
        172.16.20.101
    }
}
virtual_server 172.16.20.101 3306 {
    delay_loop 8
    lb_algo wrr
    lb_kind DR
    persistence_timeout 80
    protocol TCP

    real_server 172.16.20.24 3306 {
        weight 3
 #notify_down /usr/local/mysql/bin/mysqlha.sh
        TCP_CHECK {
            connect_timeout 13
            nb_get_retry 3
            delay_before_retry 3
            connect_port 3306
        }
    }

    real_server 172.16.20.25 3306 {
        weight 3
        TCP_CHECK {
            connect_timeout 13
            nb_get_retry 3
            delay_before_retry 3
            connect_port 3306
        }
    }

}

[mysqld]

datadir = /data/mysql
log-bin = /data/mysql/Mastermysql-bin
log-error = /usr/local/mysql/logs/mysqlerr.log
slow_query_log_file = /usr/local/mysql/logs/mysqlSlow.log
slow_query_log
long_query_time = 10
binlog-do-db = ddd
server-id = 11
innodb_flush_log_at_trx_commit = 0
innodb_buffer_pool_size = 512M

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 

从1：

! Configuration File for keepalived

global_defs {
   notification_email {
jkuser@163.com
   }
   notification_email_from root@localhost.local
   smtp_server localhost
   smtp_connect_timeout 30
   router_id bak1_mysql
}

vrrp_instance VI_mysqlha {
    state BACKUP
    interface eth1
    virtual_router_id 51
    priority 50
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass aaa111
    }
    virtual_ipaddress {
        172.16.20.100
    }
}

virtual_server 172.16.20.100 3306 {
    delay_loop 6
    lb_algo wrr
    lb_kind DR
    persistence_timeout 60
    protocol TCP

    real_server 172.16.20.22 3306 {
        weight 3
 TCP_CHECK {
            connect_timeout 13
            nb_get_retry 3
            delay_before_retry 3
     connect_port 3306
        }
    }
}

vrrp_instance VI_mysqlharo {
    state MASTER
    interface eth1
    virtual_router_id 60
    priority 90
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass aaa222
    }
    virtual_ipaddress {
        172.16.20.101
    }
}
virtual_server 172.16.20.101 3306 {
    delay_loop 8
    lb_algo wrr
    lb_kind DR
    persistence_timeout 80
    protocol TCP

    real_server 172.16.20.24 3306 {
        weight 3
        notify_down /usr/local/mysql/bin/mysqlha.sh
        TCP_CHECK {
            connect_timeout 13
            nb_get_retry 3
            delay_before_retry 3
            connect_port 3306
        }
    }

    real_server 172.16.20.25 3306 {
        weight 3
        notify_down /usr/local/mysql/bin/mysqlha.sh
        TCP_CHECK {
            connect_timeout 13
            nb_get_retry 3
            delay_before_retry 3
            connect_port 3306
        }
    }

}

[mysqld]

datadir = /data/mysql
log-bin = /data/mysql/Slavemysql1-bin
relay-log = Slavemysql1-relay-bin
log-error = /usr/local/mysql/logs/mysqlerr.log
slow_query_log_file = /usr/local/mysql/logs/mysqlSlow.log
slow_query_log
long_query_time = 10
binlog-do-db = ddd
server-id = 22
innodb_flush_log_at_trx_commit = 0
innodb_buffer_pool_size = 512M

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 

从2：

! Configuration File for keepalived

global_defs {
   notification_email {
jkuser@163.com
   }
   notification_email_from root@localhost.local
   smtp_server localhost
   smtp_connect_timeout 30
   router_id bak2_mysql
}

vrrp_instance VI_mysqlha {
    state BACKUP
    interface eth1
    virtual_router_id 51
    priority 80
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass aaa111
    }
    virtual_ipaddress {
        172.16.20.100
    }
}

virtual_server 172.16.20.100 3306 {
    delay_loop 6
    lb_algo wrr
    lb_kind DR
    persistence_timeout 60
    protocol TCP

    real_server 172.16.20.22 3306 {
        weight 3
 TCP_CHECK {
            connect_timeout 13
            nb_get_retry 3
            delay_before_retry 3
     connect_port 3306
        }
    }
}

vrrp_instance VI_mysqlharo {
    state BACKUP
    interface eth1
    virtual_router_id 60
    priority 80
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass aaa222
    }
    virtual_ipaddress {
        172.16.20.101
    }
}
virtual_server 172.16.20.101 3306 {
    delay_loop 8
    lb_algo wrr
    lb_kind DR
    persistence_timeout 80
    protocol TCP

    real_server 172.16.20.24 3306 {
        weight 3
        #notify_down /usr/local/mysql/bin/mysqlha.sh
        TCP_CHECK {
            connect_timeout 13
            nb_get_retry 3
            delay_before_retry 3
            connect_port 3306
        }
    }

    real_server 172.16.20.25 3306 {
        weight 3
        TCP_CHECK {
            connect_timeout 13
            nb_get_retry 3
            delay_before_retry 3
            connect_port 3306
        }
    }

}

[mysqld]

datadir = /data/mysql
log-bin = /data/mysql/Slavemysql2-bin
relay-log = Slavemysql2-relay-bin
log-error = /usr/local/mysql/logs/mysqlerr.log
slow_query_log_file = /usr/local/mysql/logs/mysqlSlow.log
slow_query_log
long_query_time = 10
binlog-do-db = ddd
server-id = 23
innodb_flush_log_at_trx_commit = 0
innodb_buffer_pool_size = 512M

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES