High Availability

http://www.novell.com/documentation/sle_ha/book_sleha/?page=/documentation/sle_ha/book_sleha/data/book_sleha.html

http://www.novell.com/documentation/sles11/stor_admin/?page=/documentation/sles11/stor_admin/data/sec_yast2_system_lvm_explanation.html

http://asram.blog.51cto.com/1442164/351135

http://blog.csdn.net/shyrat/article/details/6775969

http://hi.baidu.com/leolance/blog/item/e258ee0387c16ddf7b8947a1.html