MMM---MySQL高可用性解决方案

MMM---MySQL高可用性解决方案 一.环境如下： MMM_monitor: 192.168.1.1 MySQL_master: 192.168.1.2, 192.168.1.3 VIP_write: 192.168.1.11 VIP_read: 192.168.1.22, 192.168.1.33 MMM介绍参见：  http://www.ttlsa.com/html/1208.html 二.安装配置 1.安装MMM rpm -ivh http://mirrors.ustc.edu.cn/fedora/epel/6/x86_64/epel-release-6-5.noarch.rpm yum install mysql-mmm yum install mysql mysql-server 2.授权 mysql> GRANT FILE, REPLICATION SLAVE ON *.* TO 'repl'@'192.168.1.%' IDENTIFIED BY 'www.ttlsa.com' mysql> GRANT PROCESS, SUPER, REPLICATION CLIENT ON *.* TO 'mmm_agent'@'192.168.1.%' IDENTIFIED BY 'www.ttlsa.com' mysql> GRANT REPLICATION CLIENT ON *.* TO 'mmm_monitor'@'192.168.1.1' IDENTIFIED BY 'www.ttlsa.com' 3. 两台数据库服务器配置成互为主主 配置参见： http://www.ttlsa.com/html/1208.html [192.168.1.2] log_bin=mysql-bin log_bin_index=mysql-bin.index relay_log=mysql-relay-bin relay_log_index=mysql-relay-bin.index binlog_format=mixed expire_logs_days =7 max_binlog_size = 100M server-id = 2 auto-increment-increment = 2 auto-increment-offset = 2 [192.168.1.3] log_bin=mysql-bin log_bin_index=mysql-bin.index relay_log=mysql-relay-bin relay_log_index=mysql-relay-bin.index binlog_format=mixed expire_logs_days =7 max_binlog_size = 100M server-id = 3 auto-increment-increment = 2 auto-increment-offset = 1 4.在数据库服务器上配置mmm监控代理服务 [192.168.1.2]# vi mmm_common.conf active_master_role writer <host default> cluster_interface eth0 pid_path /var/run/mysql-mmm/mmm_agentd.pid bin_path /usr/libexec/mysql-mmm/ replication_user repl replication_password www.ttlsa.com agent_user mmm_agent agent_password www.ttlsa.com </host> <host db1> ip 192.168.1.2 mode master peer db2 </host> <host db2> ip 192.168.1.3 mode master peer db1 </host> <role writer> hosts db1,db2 ips 192.168.1.11 mode exclusive </role> <role reader> hosts db1,db2 ips 192.168.1.22,192.168.1.33 mode balanced </role> [192.168.1.2]# vi mmm_agent.conf include mmm_common.conf this db1 [192.168.1.2]# /etc/init.d/mysql-mmm-agent start   [192.168.1.3]# vi mmm_common.conf active_master_role writer <host default> cluster_interface eth0 pid_path /var/run/mysql-mmm/mmm_agentd.pid bin_path /usr/libexec/mysql-mmm/ replication_user repl replication_password www.ttlsa.com agent_user mmm_agent agent_password www.ttlsa.com </host> <host db1> ip 192.168.1.2 mode master peer db2 </host> <host db2> ip 192.168.1.3 mode master peer db1 </host> <role writer> hosts db1,db2 ips 192.168.1.11 mode exclusive </role> <role reader> hosts db1,db2 ips 192.168.1.22,192.168.1.33 mode balanced </role> [192.168.1.3]# vi mmm_agent.conf include mmm_common.conf this db2 [192.168.1.3]# /etc/init.d/mysql-mmm-agent start   [192.168.1.1]# vi mmm_common.conf active_master_role writer <host default> cluster_interface eth0 pid_path /var/run/mysql-mmm/mmm_agentd.pid bin_path /usr/libexec/mysql-mmm/ replication_user repl replication_password www.ttlsa.com agent_user mmm_agent agent_password www.ttlsa.com </host> <host db1> ip 192.168.1.2 mode master peer db2 </host> <host db2> ip 192.168.1.3 mode master peer db1 </host> <role writer> hosts db1,db2 ips 192.168.1.11 mode exclusive </role> <role reader> hosts db1,db2 ips 192.168.1.22,192.168.1.33 mode balanced </role> [192.168.1.1]# cat mmm_mon.conf include mmm_common.conf <monitor> ip 127.0.0.1 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 192.168.1.2,192.168.1.3 auto_set_online 60 </monitor> <host default> monitor_user mmm_monitor monitor_password www.ttlsa.com </host> debug 0 [192.168.1.1]# /etc/init.d/mysql-mmm-monitor start [192.168.1.1]# mmm_control show slave1(192.168.1.2) master/ONLINE. Roles: reader(192.168.1.22) slave2(192.168.1.3) master/ONLINE. Roles: reader(192.168.1.33), writer(192.168.1.11) [192.168.1.1]# mmm_control checks all