环境：CentOS5.8
MySQL5.5.17
实验：搭建MHA高可用架构（非root用户SSH等效性配置）SSH等效性用户配置的是：concert 端口：1314
MHA配置文件
[concert@mhamanager mha]$ more /etc/masterha_default.cnf
[server default]
user = root
password = mysql_admin
ssh_user = concert
ssh_port = 1314
repl_user = repl
repl_password = repl_pwd
ping_interval = 3
ping_type = select
[concert@mhamanager mha]$ more /etc/appl.cnf
[server default]
manager_workdir = /mha/appl
manager_log = /mha/appl/manager.log
remote_workdir = /mha/appl
[server1]
hostname = 192.168.66.88
master_binlog_dir = /data/lib/mysql
candidate_master = 1
[server2]
hostname = 192.168.66.89
master_binlog_dir = /data/lib/mysql
candidate_master = 1
[server3]
hostname = 192.168.66.120
no_master = 1
port = 3307
问题：配置好非root用户SSH等效性后，通过masterha_check_ssh检查没有问题
[concert@mhamanager ~]$ /usr/bin/masterha_check_ssh --conf=/etc/appl.cnf
Tue Sep 2 15:06:01 2014 - [info] Reading default configuratoins from /etc/masterha_default.cnf..
Tue Sep 2 15:06:01 2014 - [info] Reading application default configurations from /etc/appl.cnf..
Tue Sep 2 15:06:01 2014 - [info] Reading server configurations from /etc/appl.cnf..
Tue Sep 2 15:06:01 2014 - [info] Starting SSH connection tests..
Tue Sep 2 15:06:01 2014 - [debug]
Tue Sep 2 15:06:01 2014 - [debug] Connecting via SSH from concert@192.168.66.88(192.168.66.88:1314) to concert@192.168.66.89(192.168.66.89:1314)..
Tue Sep 2 15:06:01 2014 - [debug] ok.
Tue Sep 2 15:06:01 2014 - [debug] Connecting via SSH from concert@192.168.66.88(192.168.66.88:1314) to concert@192.168.66.120(192.168.66.120:1314)..
Tue Sep 2 15:06:01 2014 - [debug] ok.
Tue Sep 2 15:06:02 2014 - [debug]
Tue Sep 2 15:06:01 2014 - [debug] Connecting via SSH from concert@192.168.66.89(192.168.66.89:1314) to concert@192.168.66.88(192.168.66.88:1314)..
Tue Sep 2 15:06:01 2014 - [debug] ok.
Tue Sep 2 15:06:01 2014 - [debug] Connecting via SSH from concert@192.168.66.89(192.168.66.89:1314) to concert@192.168.66.120(192.168.66.120:1314)..
Tue Sep 2 15:06:02 2014 - [debug] ok.
Tue Sep 2 15:06:02 2014 - [debug]
Tue Sep 2 15:06:02 2014 - [debug] Connecting via SSH from concert@192.168.66.120(192.168.66.120:1314) to concert@192.168.66.88(192.168.66.88:1314)..
Tue Sep 2 15:06:02 2014 - [debug] ok.
Tue Sep 2 15:06:02 2014 - [debug] Connecting via SSH from concert@192.168.66.120(192.168.66.120:1314) to concert@192.168.66.89(192.168.66.89:1314)..
Tue Sep 2 15:06:02 2014 - [debug] ok.
Tue Sep 2 15:06:02 2014 - [info] All SSH connection tests passed successfully.
但通过masterha_check_repl检查则不通过
[concert@mhamanager ~]$ /usr/bin/masterha_check_repl --conf=/etc/appl.cnf
Tue Sep 2 17:10:08 2014 - [info] Reading default configuratoins from /etc/masterha_default.cnf..
Tue Sep 2 17:10:08 2014 - [info] Reading application default configurations from /etc/appl.cnf..
Tue Sep 2 17:10:08 2014 - [info] Reading server configurations from /etc/appl.cnf..
Tue Sep 2 17:10:08 2014 - [info] MHA::MasterMonitor version 0.55.
Tue Sep 2 17:10:08 2014 - [info] Dead Servers:
Tue Sep 2 17:10:08 2014 - [info] Alive Servers:
Tue Sep 2 17:10:08 2014 - [info] 192.168.66.88(192.168.66.88:3306)
Tue Sep 2 17:10:08 2014 - [info] 192.168.66.89(192.168.66.89:3306)
Tue Sep 2 17:10:08 2014 - [info] 192.168.66.120(192.168.66.120:3307)
Tue Sep 2 17:10:08 2014 - [info] Alive Slaves:
Tue Sep 2 17:10:08 2014 - [info] 192.168.66.89(192.168.66.89:3306) Version=5.5.17-log (oldest major version between slaves) log-bin:en