MySQL_MMM实现高可用性配置
a) perl-Proc-Daemon-0.03-1.el5.noarch.rpm
b) perl-DBI-1.52-1.fc6.i386.rpm
c) perl-Algorithm-Diff-1.1902-2.el5.noarch.rpm
d) DBD-mysql-4.018.tar.gz
e) mysql-master-master-1.2.6.tar.gz
f) mysql-5.0.27.tar.gz
二、安装步骤
a) Nod1 ip 59.64.30.118 vip 59.64.30.103(read)
b) Node2 ip 59.64.30.107 vip 59.64.30.102(read)
c) Vip 59.64.30.101(writer)
d) Mgr 59.64.28.92(管理节点)
e) 首先安装好MYSQL软件，配置好MYSQL主主同步。（可以正常主主同步数据）
f) Cd /var/local/software
g) rpm -ivh perl-Proc-Daemon-0.03-1.el5.noarch.rpm
h) rpm -ivh perl-DBI-1.52-1.fc6.i386.rpm
i) ln -s /usr/local/mysql/lib/mysql/libmysqlclient.so.15 /bin/libmysqlclient.so.15
j) ln -s /usr/local/mysql/lib/mysql/libmysqlclient.so.15 /usr/bin/libmysqlclient.so.15
k) ln -s /usr/local/mysql/lib/mysql/libmysqlclient.so.15 /usr/lib/libmysqlclient.so.15
l) ln -s /usr/local/mysql/lib/mysql/libmysqlclient.so.15 /usr/sbin/libmysqlclient.so.15
m) ln -s /usr/local/mysql/lib/mysql/libmysqlclient.so.15 /sbin/libmysqlclient.so.15
n) tar zxvf DBD-mysql-4.018.tar.gz
o) cd DBD-mysql-4.018
p) perl Makefile.PL --with-mysql=/usr/local/mysql --mysql_config=/usr/local/mysql/bin/mysql_config
q) make && make test && make install
r) cd ../
s) rpm -ivh perl-Algorithm-Diff-1.1902-2.el5.noarch.rpm
t) tar zxvf mysql-master-master-1.2.6.tar.gz
u) cd mysql-master-master-1.2.6
v) ./install.pl
w) Cd /usr/local/mmm/etc/examples/
x) cp mmm_agent.conf.example mmm_agent.conf
y) >mmm_agent.conf
#
# Master-Master Manager config (agent)
#
# Debug mode
debug no
# Paths
pid_path /usr/local/mmm/var/mmmd_agent.pid
bin_path /usr/local/mmm/bin
# Logging setup
log mydebug
file /usr/local/mmm/var/mmm-debug.log
level debug
log mytraps
file /usr/local/mmm/var/mmm-traps.log
level trap
# MMMD command socket tcp-port and ip
bind_port 9989
# Cluster interface
cluster_interface eth0
# Define current server id
this db1
mode master
# For masters
peer db2
# Cluster hosts addresses and access params
host db1
ip 59.64.30.118
port 3306
user rep_agent
password 123456
z) Mv mmm_agent.conf ../
aa) 同步方法安装mysql_mmm另一台服务器
bb) Vi /usr/local/mmm/etc/mmm_agent.conf
#
# Master-Master Manager config (agent)
#
# Debug mode
debug no
# Paths
pid_path /usr/local/mmm/var/mmmd_agent.pid
bin_path /usr/local/mmm/bin
# Logging setup
log mydebug
file /usr/local/mmm/var/mmm-debug.log
level debug
log mytraps
file /usr/local/mmm/var/mmm-traps.log
level trap
# MMMD command socket tcp-port and ip
bind_port 9989
# Cluster interface
cluster_interface eth0
# Define current server id
this db2
mode master
# For masters
peer db1
# Cluster hosts addresses and access params
host db1
ip 59.64.30.118
port 3306
user rep_agent
password 123456
a1) 两个节点服务器MYSQL同时增加如下用户。
GRANT ALL PRIVILEGES on *.* to 'rep_agent'@'%' identified by '123456' WITH GRANT OPTION;
GRANT ALL PRIVILEGES on *.* to 'rep_monitor'@'%' identified by '123456' WITH GRANT OPTION;
a2) 同步方法安装mysql_mmm管理节点
a3) vi /usr/local/mmm/etc/mmm_mon.conf
# Master-Master Manager config (monitor)
#
# Debug mode
debug no
# Paths
pid_path /usr/local/mmm/var/mmmd.pid
status_path /usr/local/mmm/var/mmmd.status
bin_path /usr/local/mmm/bin
# Logging setup
log mydebug
file /usr/local/mmm/var/mmm-debug.log
level debug
log mytraps
file /usr/local/mmm/var/mmm-traps.log
level trap
email root@localhost
# MMMD command socket tcp-port
bind_port 9988
agent_port 9989
monitor_ip 127.0.0.1
# Cluster interface
cluster_interface eth0
# Cluster hosts addresses and access params
host db1
ip 59.64.30.118
port 3306
user rep_monitor
password 123456
mode master
peer db2
host db2
ip 59.64.30.107
port 3306
user rep_monitor
password 123456
mode master
peer db1
#
# Define roles
#
active_master_role writer
# Mysql Reader role
role reader
mode balanced
servers db1, db2
ip 59.64.30.103,59.64.30.102 //这里是虚拟IP
# Mysql Writer role
role writer
mode exclusive
servers db1, db2
ip 59.64.30.101 //这里是虚拟IP
#
# Checks parameters
#
# Ping checker
check ping
check_period 1
trap_period 5
timeout 2
# Mysql checker
# (restarts after 10000 checks to prevent memory leaks)
check mysql
check_period 1
trap_period 2
timeout 2
restart_after 10000
# Mysql replication backlog checker
# (restarts after 10000 checks to prevent memory leaks)
check rep_backlog
check_period 5
trap_period 10
max_backlog 60
timeout 2
restart_after 10000
# Mysql replication threads checker
# (restarts after 10000 checks to prevent memory leaks)
check rep_threads
check_period 1
trap_period 5
timeout 2
restart_after 10000
a4) 启动node1 /usr/local/mmm/sbin/mmmd_agent
a5) 启动node2 /usr/local/mmm/sbin/mmmd_agent
a6) 启动mgr /usr/local/mmm/sbin/mmm_mon start
a7) 设置db1在线mmm_control set_online db1
a8) 设置db2在线mmm_control set_online db2
a9) 查看状态mmm_control show
MySQL Multi-Master Replication Manager
Version: 1.2.6
Config file: mmm_mon.conf
Daemon is running!
===============================
Cluster failover method: AUTO
===============================
Servers status:
db1(59.64.30.118): master/ONLINE. Roles: reader(59.64.30.103;), writer(59.64.30.101 //这里是虚拟IP;)
db2(59.64.30.107): master/ONLINE. Roles: reader(59.64.30.102 //这里是虚拟IP;)
三、附加
a) 因为主主同步我没在意，都是NO，所以在show过程中状态老报错,最后一直查到修复主主看看，show才正常。警告配置时首先一定要保证MYSQL主主同步是正常的。配置就不会有什么问题。
b) 安装过程中装perl包真麻烦。找了好多包。郁闷死。