MySQL的MMM高可用架构测试

一、架构模式（双master零slave）
 
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---------------------[1] mmm_common.conf ——————–
 
主机：
功能                                         IP                          主机名
monitor                                  192.168.9.159            proxy
DB     db1   Server-id=1          192.168.5.157           fbfldb01
         db2   Server-id=2          192.168.9.158           fbfldb02
虚拟ip：
IP0       192.168.9.154 (Write)
IP1       192.168.9.155 (Read)
IP2       192.168.9.156 (Read)
 
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 slave
replication_password slave
agent_user mmm_agent
agent_password RepAgent
</host>
<host db1>
ip 192.168.9.157
mode master
peer db2
</host>
<host db2>
ip 192.168.9.158
mode master
peer db1
</host>
#<host db3>
# ip 192.168.100.51
# mode slave
#</host>
<role writer>
hosts db1, db2 #能够作为writer的host
ips 192.168.100.250 #writer的虚拟IP，应用的写请求直接访问这里的ip即可
mode exclusive #只有两种模式：exclusive是排他，在这种模式下任何时候只能一个host拥有该角色，balanced模式下可以多个host同时拥有此角色。一般writer是ex，reader是ba
</role>
<role reader>
hosts db1, db2 #能够作为reader的host
ips 192.168.100.251, 192.168.100.252 #reader的虚拟IP，应用的读请求直接访问这里的ip即可
mode balanced
</role>
 
 
--------------------[2] mmm_mon.conf ———————–
include mmm_common.conf
<monitor>