标签:自动增长 数据库 中继日志 记录 主服务器 oca sla ted nlog
实验环境:CentOS7
#安装mariadb-server #主数据库: [root@~ localhost]#vim /etc/my.cnf.d/server.cnf [mysqld] skip_name_resolve=ON innodb_file_per_table=ON autocommit=0 log_bin=master-log server_id=1 #从数据库: [root@~ localhost]#vim /etc/my.cnf.d/server.cnf [mysqld] skip_name_resolve=ON innodb_file_per_table=ON autocommit=0 server_id=10 relay_log=relay-log read_only=ON #将两台设备加入ansible进行管理: [root@~ localhost]#ansible app -m shell -a ‘systemctl start mariadb.service‘ [root@~ localhost]#ansible app -m shell -a ‘ss -ntl‘ [root@~ localhost]#ansible app -m shell -a ‘ntpdate 178.19.0.1‘ #主服务器: MariaDB [(none)]> GRANT REPLICATION CLIENT,REPLICATION SLAVE ON *.* TO ‘repluser‘@‘172.16.254.47‘ IDENTIFIED BY ‘123456‘; MariaDB [(none)]> GRANT REPLICATION CLIENT,REPLICATION SLAVE ON *.* TO ‘repluser‘@‘172.16.252.142‘ IDENTIFIED BY ‘123456‘; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> SHOW MASTER STATUS; +-------------------+----------+--------------+------------------+ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | +-------------------+----------+--------------+------------------+ | master-log.000005 | 750 #从服务器; MariaDB [(none)]> CHANGE MASTER TO MASTER_HOST=‘172.16.252.142‘,
MASTER_USER=‘repluser‘,MASTER_PASSWORD=‘123456‘,
MASTER_PORT=3306,MASTER_LOG_FILE=‘master-log.000005‘,MASTER_LOG_POS=750; MariaDB [(none)]> SHOW SLAVE STATUS\G; MariaDB [(none)]> START SLAVE;
##主主复制:
#第一台主数据库系统:二进制日志和中继日志都开启 [root@~ localhost]#vim /etc/my.cnf.d/server.cnf [mysqld] skip_name_resolve=ON innodb_file_per_table=ON autocommit=0 log_bin=master-log server_id=1 relay_log=relay-log #自动增长的ID,以奇数增长 auto_increment_offset=1 auto_increment_increment=2 #给另一服务器授权 MariaDB [(none)]> grant replication client,replication slave on *.* to ‘back‘@‘172.16.254.47‘ identity by ‘123456‘; MariaDB [(none)]> flush privileges; #记录file和binlog_do_db为另一个服务器使用 MariaDB [(none)]> show master status; +-------------------+----------+--------------+------------------+ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | +-------------------+----------+--------------+------------------+ | master-log.000003 | 481 MariaDB [(none)]> start slave; #另一数据库服务器: [root@~ localhost]#vim /etc/my.cnf.d/server.cnf [mysqld] skip_name_resolve=ON innodb_file_per_table=ON autocommit=0 server_id=20 relay_log=relay-log #read_only=ON log_bin=master-log #以偶数增长的ID auto_increment_offset=2 auto_increment_increment=2 MariaDB [(none)]> grant replication client,replication slave on *.* to ‘back‘@‘172.16.252.142‘ identity by ‘123456‘; MariaDB [(none)]> change master to master_host=‘172.16.252.142‘,master_user=‘back‘,master_port=3306,master_log_file=‘master-log.000003‘,master_log_pos=481,master_password=‘123456‘; MariaDB [(none)]> flush privileges; MariaDB [(none)]> start slave;
标签:自动增长 数据库 中继日志 记录 主服务器 oca sla ted nlog
原文地址:http://www.cnblogs.com/wzhuo/p/7171757.html