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执行端口检测报错
#masterha_check_ssh --conf=/etc/masterha/app01/app01.conf
[root@localhost mha4mysql-manager-0.57]# masterha_check_ssh --conf=/root/app01.conf
"NI_NUMERICHOST" is not exported by the Socket module
"getaddrinfo" is not exported by the Socket module
"getnameinfo" is not exported by the Socket module
Can't continue after import errors at /usr/local/share/perl5/MHAdeUtil.pm line 29
BEGIN failed--compilation aborted at /usr/local/share/perl5/MHAdeUtil.pm line 29.
Compilation failed in require at /usr/local/share/perl5/MHA/SlaveUtil.pm line 27.
BEGIN failed--compilation aborted at /usr/local/share/perl5/MHA/SlaveUtil.pm line 27.
Compilation failed in require at /usr/local/share/perl5/MHA/DBHelper.pm line 26.
BEGIN failed--compilation aborted at /usr/local/share/perl5/MHA/DBHelper.pm line 26.
Compilation failed in require at /usr/local/share/perl5/MHA/HealthCheck.pm line 30.
BEGIN failed--compilation aborted at /usr/local/share/perl5/MHA/HealthCheck.pm line 30.
Compilation failed in require at /usr/local/share/perl5/MHA/Server.pm line 28.
BEGIN failed--compilation aborted at /usr/local/share/perl5/MHA/Server.pm line 28.
Compilation failed in require at /usr/local/share/perl5/MHA/Config.pm line 29.
BEGIN failed--compilation aborted at /usr/local/share/perl5/MHA/Config.pm line 29.
Compilation failed in require at /usr/local/share/perl5/MHA/SSHCheck.pm line 32.
BEGIN failed--compilation aborted at /usr/local/share/perl5/MHA/SSHCheck.pm line 32.
Compilation failed in require at /usr/local/bin/masterha_check_ssh line 25.
BEGIN failed--compilation aborted at /usr/local/bin/masterha_check_ssh line 25
使用cpan 安装依赖包
cpan[1]> install ExtUtils::Constant
cpan[1]> install Socket
问题解决：
masterha_check_ssh --conf=/etc/masterha/app01/app01.conf
Mon Nov 20 09:48:00 2017 - [warning] Global configuration file /etc/masterha_default.cnf not found. Skipping.
Mon Nov 20 09:48:00 2017 - [info] Reading application default configuration from /etc/masterha/app01/app01.conf..
Mon Nov 20 09:48:00 2017 - [info] Reading server configuration from /etc/masterha/app01/app01.conf..
Mon Nov 20 09:48:00 2017 - [info] Starting SSH connection tests..
Mon Nov 20 09:48:01 2017 - [debug]
Mon Nov 20 09:48:00 2017 - [debug] Connecting via SSH from root@MYSQL02(192.168.2.52:22) to root@MYSQL01(192.168.2.51:22)..
Mon Nov 20 09:48:00 2017 - [debug] ok.
Mon Nov 20 09:48:00 2017 - [debug] Connecting via SSH from root@MYSQL02(192.168.2.52:22) to root@MYSQL03(192.168.2.53:22)..
Mon Nov 20 09:48:01 2017 - [debug] ok.
Mon Nov 20 09:48:05 2017 - [debug]
Mon Nov 20 09:48:00 2017 - [debug] Connecting via SSH from root@MYSQL01(192.168.2.51:22) to root@MYSQL02(192.168.2.52:22)..
Mon Nov 20 09:48:00 2017 - [debug] ok.
Mon Nov 20 09:48:00 2017 - [debug] Connecting via SSH from root@MYSQL01(192.168.2.51:22) to root@MYSQL03(192.168.2.53:22)..
Mon Nov 20 09:48:05 2017 - [debug] ok.
Mon Nov 20 09:48:06 2017 - [debug]
Mon Nov 20 09:48:01 2017 - [debug] Connecting via SSH from root@MYSQL03(192.168.2.53:22) to root@MYSQL01(192.168.2.51:22)..
Mon Nov 20 09:48:01 2017 - [debug] ok.
Mon Nov 20 09:48:01 2017 - [debug] Connecting via SSH from root@MYSQL03(192.168.2.53:22) to root@MYSQL02(192.168.2.52:22)..
Mon Nov 20 09:48:06 2017 - [debug] ok.
Mon Nov 20 09:48:06 2017 - [info] All SSH connection tests passed successfully.
MHA-Manger 5.7 BUG
Mon Nov 20 12:07:23 2017 - [warning] Got error on MySQL connect: 2005 (Unknown MySQL server host '[192.168.2.51]' (1))
Mon Nov 20 12:07:23 2017 - [warning] Connection failed 2 time(s)..
Mon Nov 20 12:07:25 2017 - [warning] Got error on MySQL connect: 2005 (Unknown MySQL server host '[192.168.2.51]' (1))
Mon Nov 20 12:07:25 2017 - [warning] Connection failed 3 time(s)..
Mon Nov 20 12:07:27 2017 - [warning] Got error on MySQL connect: 2005 (Unknown MySQL server host '[192.168.2.51]' (1))
Mon Nov 20 12:07:27 2017 - [warning] Connection failed 4 time(s)..
Mon Nov 20 12:07:27 2017 - [warning] Secondary network check script returned errors. Failover should not start so checking server status again. Check network settings for details.
Mon Nov 20 12:07:39 2017 - [warning] Got error on MySQL connect: 2005 (Unknown MySQL server host '[192.168.2.51]' (1))
Mon Nov 20 12:07:39 2017 - [warning] Connection failed 1 time(s)..
错误解决方案：
4 lib/MHA/DBHelper.pm
