存储涉及好多好多东西，这里把软RAID,iSCSI,Multipath,LVM,SWAP都堆在一起，做个简单的综合实验。
参考文档已经说明的东西，这里就不重复讲述了。
参考文档
1. 鸟哥的Linxu私房菜-LVM,Storage http://linux.vbird.org/linux_basic/0420quota.php
2. 鸟哥的Linxu私房菜-iSCSI http://linux.vbird.org/linux_server/0460iscsi.php
3. Redhat iSCSI文档 https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Storage_Administration_Guide/ch-iscsi.html
4. Redhat Multipath文档 https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html-single/DM_Multipath/
5. Redhat LVM文档 https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Logical_Volume_Manager_Administration/