Hi Deepak, Glad for your help. The step by step way to contribute to OpenStack Doc is mentioned here https://wiki.openstack.org/wiki/Documentation/HowTo <snip> Dear Sir , Presently i am working to build a high availability for openstack using Fedora 18 . I was referring your document which you submitted by you to openstack community but i found that CRM shell is not supported by fedora 18 it is replaced by PCS Shell . PCS shell used to build and manage Pacemaker and corosync system also. I need to submit my updated document Can you guide me how i can submit updated document to openstack community Waiting for reply Thanks Deepak Deepak Shripat Mane Tata Consultancy Services Mailto: deepak.mane at tcs.com </snip> Would love to get your contribtion on the HA doc. Cheers!! Atul http://www.csscorp.com/common/email-disclaimer.php