Easiest way is to use : rconfig Just ensure you have all the pre-reqs met. See the docs: 11.1 docs.oracle.com/cd/B28359_01/install.111/b28264/cvrt2rac.htm 11.2 docs.oracle.com/cd/E11882_01/install.112/e24660/cvrt2rac.htm It's there for 10.2 as well, but you mentioned 11g... Thanks, Simon ---------------------------------------------------------------------- Date: Sat, 4 Feb 2012 10:31:20 -0200 Subject: Re: RMAN from Single to RAC instance From: Alex Cwb <ab80cwb@xxxxxxxxx> 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 -- //www.freelists.org/webpage/oracle-l