Activating Standby Continuous Replication Targets
http://technet.microsoft.com/en-us/library/bb691321.aspx
http://technet.microsoft.com/en-us/library/bb676502.aspx
http://technet.microsoft.com/en-us/library/cc164368.aspx
http://msmvps.com/blogs/ehlo/archive/2008/01/08/1447442.aspx