http://blogs.technet.com/b/omers/archive/2010/11/05/designing-a-backup-less-exchange-2010-architecture.aspxMicrosoft Exchange Server 2010 features a new platform for high availability and site resilience that makes deploying redundant and highly available mailbox databases easier than before. But even the most extreme forms of redundancy and fault toleranceen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/omers/archive/2010/11/05/designing-a-backup-less-exchange-2010-architecture.aspx#3381545Thu, 20 Jan 2011 20:21:45 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3381545Exchange Expert<p>A very nicely written and useful article.</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3381545" width="1" height="1">