http://oracle-base.com/articles/linux/ocfs2-on-linux.php
http://oracle-base.com/articles/11g/oracle-db-11gr2-rac-installation-on-linux-using-nfs.php
http://www.oracle.com/technetwork/articles/hunter-rac11gr2-iscsi-088677.html
http://candon123.blog.51cto.com/704299/387626
http://www.iyunv.com/thread-33769-1-1.html
