1.CentOS配置LVM
http://www.cnblogs.com/mchina/p/linux-centos-logical-volume-manager-lvm.html
http://www.cnblogs.com/gaojun/archive/2012/08/22/2650229.html
2.CentOS下配置软RAID
http://www.cnblogs.com/mchina/p/linux-centos-disk-array-software_raid.html