報錯信息如下：
"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/MHA/NodeUtil.pm line 29
BEGIN failed--compilation aborted at /usr/local/share/perl5/MHA/NodeUtil.pm line 29.
Compilation failed in require at /usr/local/share/perl5/MHA/SlaveUtil.pm line 28.
BEGIN failed--compilation aborted at /usr/local/share/perl5/MHA/SlaveUtil.pm line 28.
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/MasterMonitor.pm line 30.
BEGIN failed--compilation aborted at /usr/local/share/perl5/MHA/MasterMonitor.pm line 30.
Compilation failed in require at /usr/local/bin/masterha_manager line 26.
BEGIN failed--compilation aborted at /usr/local/bin/masterha_manager line 26.
處理方式：
yum -y install http://repo.openfusion.net/centos6-x86_64/perl-Socket-2.009-1.of.el6.x86_64.rpm