http://www.newsmth.net/bbstcon.php?board=Perl&gid=59633
innobackupex出错：http://space.itpub.net/7607759/viewspace-700064
HA：http://www.cnblogs.com/ylqmf/archive/2011/10/19/2217540.html
http://xueyuan.cyzone.cn/gushi-gushi2/235241_4.html
http://www.mysqlperformanceblog.com/2011/04/21/innodb-page-sizes-plans-and-ideas/