repl_password=repl_1234
ping_interval=1 #ping间隔，用来检测master是否正常
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[server1]
hostname=192.168.52.129
candidate_master=1 #master机宕掉后,优先启用这台作为新master
master_binlog_dir=/home/data/mysql/binlog/
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[server2]
hostname=192.168.52.130
#candidate_master=1
master_binlog_dir=/home/data/mysql/binlog/
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?
[server3]
hostname=192.168.52.131
#candidate_master=1
master_binlog_dir=/home/data/mysql/binlog/
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?
#[server4]
#hostname=host4
#no_master=1
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7.4 利用mha工具检测ssh
然后check ssh成功，采用命令：masterha_check_ssh --conf=/etc/masterha/app1.cnf，如下所示：
[root@data01 ~]# masterha_check_ssh --conf=/etc/masterha/app1.cnf
Tue Apr 7 02:56:12 2015 - [warning] Global configuration file /etc/masterha_default.cnf not found. Skipping.
Tue Apr 7 02:56:12 2015 - [info] Reading application default configuration from /etc/masterha/app1.cnf..
Tue Apr 7 02:56:12 2015 - [info] Reading server configuration from /etc/masterha/app1.cnf..
Tue Apr 7 02:56:12 2015 - [info] Starting SSH connection tests..
Tue Apr 7 02:56:15 2015 - [debug]
Tue Apr 7 02:56:12 2015 - [debug] Connecting via SSH from root@192.168.52.129(192.168.52.129:22) to root@192.168.52.130(192.168.52.130:22)..
Warning: Permanently added '192.168.52.129' (RSA) to the list of known hosts.
Tue Apr 7 02:56:13 2015 - [debug] ok.
Tue Apr 7 02:56:13 2015 - [debug] Connecting via SSH from root@192.168.52.129(192.168.52.129:22) to root@192.168.52.131(192.168.52.131:22)..
Tue Apr 7 02:56:15 2015 - [debug] ok.
Tue Apr 7 02:56:15 2015 - [debug]
Tue Apr 7 02:56:13 2015 - [debug] Connecting via SSH from root@192.168.52.130(192.168.52.130:22) to root@192.168.52.129(192.168.52.129:22)..
Tue Apr 7 02:56:14 2015 - [debug] ok.
Tue Apr 7 02:56:14 2015 - [debug] Connecting via SSH from root@192.168.52.130(192.168.52.130:22) to root@192.168.52.131(192.168.52.131:22)..
Tue Apr 7 02:56:15 2015 - [debug] ok.
Tue Apr 7 02:56:16 2015 - [debug]
Tue Apr 7 02:56:13 2015 - [debug] Connecting via SSH from root@192.168.52.131(192.168.52.131:22) to root@192.168.52.129(192.168.52.129:22)..
Tue Apr 7 02:56:15 2015 - [debug] ok.
Tue Apr 7 02:56:15 2015 - [debug] Connecting via SSH from root@192.168.52.131(192.168.52.131:22) to root@192.168.52.130(192.168.52.130:22)..
Tue Apr 7 02:56:16 2015 - [debug] ok.
Tue Apr 7 02:56:16 2015 - [info] All SSH connection tests passed successfully.
[root@data01 ~]#
?
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7.5 使用mha工具check检查repl环境
检测命令为：masterha_check_repl--conf=/etc/masterha/app1.cnf，检测结果如下：
[root@oraclem1 ~]# masterha_check_repl --conf=/etc/masterha/app1.cnf
Fri Apr 10 01:02:18 2015 - [warning] Global configuration file /etc/masterha_default.cnf not found. Skipping.
Fri Apr 10 01:02:18 2015 - [info] Reading application default configuration from /etc/masterha/app1.cnf..
Fri Apr 10 01:02:18 2015 - [info] Reading server configuration from /etc/masterha/app1.cnf..
Fri Apr 10 01:02:18 2015 - [info] MHA::MasterMonitor version 0.56.
Fri Apr 10 01:02:18 2015 - [info] Multi-master configuration is detected. Current primary(writable) master is 192.168.52.129(192.168.52.129:3306)
Fri Apr 10 01:02:18 2015 - [info] Master configurations are as below:
Master 192.168.52.130(192.168.52.130:3306), replicating from 192.168.52.129(192.168.52.129:3306), read-only
Master 192.168.52.129(192.168.52.129:3306), replicating