Oh Perfect, That is good to hear many advices about how to proceed on it. This way, I will proceed with the plan and tune until get ready for the cut-over. Thank you all for the hints. Alex On Thu, Feb 2, 2012 at 10:35 PM, Guillermo Alan Bort <cicciuxdba@xxxxxxxxx>wrote: > using RMAN is the way to go if you are not changing Oracle version or OS > (technically Endian Format) > > Look at RMAN's DUPLICATE command. in 11g you can do DUPLICATE FROM ACTIVE. > > HTH > Alan.- > > > -- //www.freelists.org/webpage/oracle-l