MySQL mmm 高可用配置

10.10.10.20：监控端10.10.10.21：主10.10.10.22：主10.10.10.23：从10.10.10.24：从yum -y install mysql mysql-serverservice mysqld startyum -y install mysql-mmm*useradd --comment "MMM Script owner" --shell /sbin/nologin mmmdyum -y install perl-Time-HiRes*
GRANT REPLICATION CLIENT ON *.* TO 'mmm_monitor'@'10.10.10.%' IDENTIFIED BY 'monitor_password';GRANT SUPER, REPLICATION CLIENT, PROCESS ON *.* TO 'mmm_agent'@'10.10.10.%' IDENTIFIED BY 'agent_password';GRANT REPLICATION SLAVE ON *.* TO 'replication'@'10.10.10.%' IDENTIFIED BY 'replication_password';

CHANGE MASTER TO master_host='10.10.10.21', master_port=3306, master_user='replication',master_password='replication_password', master_log_file='mysql-bin.000001', master_log_pos=98; CHANGE MASTER TO master_host = '10.10.10.22', master_port=3306, master_user='replication',master_password='replication_password', master_log_file='mysql-bin.000001', master_log_pos=1146;
[root@node4 ~]# egrep -v "^#|^$" /etc/mysql-mmm/mmm_common.conf active_master_role writer<host default> cluster_interface eth0 pid_path /var/run/mmmd_agent.pid bin_path /usr/lib/mysql-mmm/ replication_user replication replication_password replication_password agent_user mmm_agent agent_password agent_password</host><host db1> ip 10.10.10.21 mode master peer db2</host><host db2> ip 10.10.10.22 mode master peer db1</host><host db3> ip 10.10.10.23 mode slave</host><host db4> ip 10.10.10.24 mode slave</host><role writer> hosts db1, db2 ips 10.10.10.100 mode exclusive</role><role reader> hosts db1, db2, db3, db4 ips 10.10.10.101,10.10.10.102 mode balanced</role>[root@node4 ~]# [root@node4 ~]# egrep -v "^#|^$" /etc/mysql-mmm/mmm_agent.conf include mmm_common.confthis db4
[root@localhost ~]# egrep -v "^#|^$|^\s+#" /etc/mysql-mmm/mmm_mon.conf include mmm_common.conf <monitor> ip 10.10.10.20 pid_path /var/run/mysql-mmm/mmm_mond.pid bin_path /usr/libexec/mysql-mmm status_path /var/lib/mysql-mmm/mmm_mond.status ping_ips 10.10.10.1,10.10.10.21,10.10.10.22,10.10.10.22,10.10.10.23,10.10.10.24 auto_set_online 60 </monitor> <host default> monitor_user mmm_monitor monitor_password monitor_password </host> debug 0 [root@localhost ~]#
[root@localhost ~]# mmm_control show db1(10.10.10.21) master/ONLINE. Roles: db2(10.10.10.22) master/ONLINE. Roles: writer(10.10.10.100) db3(10.10.10.23) slave/ONLINE. Roles: reader(10.10.10.101) db4(10.10.10.24) slave/ONLINE. Roles: reader(10.10.10.102)
[root@localhost ~]#
[root@node4 ~]# egrep -v "^#|^$" /etc/my.cnf [mysqld]datadir=/var/lib/mysqlsocket=/var/lib/mysql/mysql.sockuser=mysqlserver_id = 4log_bin = /var/log/mysql/mysql-bin.log log_bin_index = /var/log/mysql/mysql-bin.log.index relay_log = /var/log/mysql/mysql-relay-bin relay_log_index = /var/log/mysql/mysql-relay-bin.index expire_logs_days = 10 max_binlog_size = 100M log_slave_updates = 1auto_increment_increment = 2auto_increment_offset = 1skip-name-resolve[mysqld_safe]log-error=/var/log/mysqld.logpid-file=/var/run/mysqld/mysqld.pid[root@node4 ~]#

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