I had written in my previous post about having a high level topic that brings together all the information related to disaster recovery and reliability. Brain has written a great post which brings all of it together.

http://blogs.msdn.com/bharry/archive/2006/11/24/tfs-and-reliability-and-disaster-recovery.aspx

Please let us know your feedback on the same. Do you need any additional information which will be helpful in making your TFS environment more reliable?