http://mp.weixin.qq.com/s?__biz=MzAwNzU3NzQ0MA==&mid=209842199&idx=1&sn=7d77fdf7a8b91041f7c85ae61cc59a02#rd
划分LUN
原文：http://www.cnblogs.com/MYSQLZOUQI/p/4738102.html
