在遇到类似错误，一般为DBD的包没有编译好，需要重新编译，即可；如：
[root@monitor ~]# mmm_control checks db2 ping [last change: 2013/02/27 13:23:58] OK db2 mysql [last change: 2013/02/27 13:23:58] UNKNOWN: Error occurred: install_driver(mysql) failed: Can't load '/usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/auto/DBD/mysql/mysql.so' for module DBD::mysql: libmysqlclient.so.18: cannot open shared object file: No such file or directory at /usr/lib/perl5/5.8.8/i386-linux-thread-multi/DynaLoader.pm line 230, <STDIN> line 1. db2 rep_threads [last change: 2013/02/27 13:23:58] UNKNOWN: Error occurred: install_driver(mysql) failed: Can't load '/usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/auto/DBD/mysql/mysql.so' for module DBD::mysql: libmysqlclient.so.18: cannot open shared object file: No such file or directory at /usr/lib/perl5/5.8.8/i386-linux-thread-multi/DynaLoader.pm line 230, <STDIN> line 1. db2 rep_backlog [last change: 2013/02/27 13:23:58] UNKNOWN: Error occurred: install_driver(mysql) failed: Can't load '/usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/auto/DBD/mysql/mysql.so' for module DBD::mysql: libmysqlclient.so.18: cannot open shared object file: No such file or directory at /usr/lib/perl5/5.8.8/i386-linux-thread-multi/DynaLoader.pm line 230, <STDIN> line 1. db1 ping [last change: 2013/02/27 13:23:58] OK db1 mysql [last change: 2013/02/27 13:23:58] at (eval 16) line 3 db1 rep_threads [last change: 2013/02/27 13:23:58] at (eval 16) line 3 db1 rep_backlog [last change: 2013/02/27 13:23:58] at (eval 16) line 3 [root@monitor ~]#[root@m
