Is there a question you want to ask? Steve _____ From: ora-apps-dba-bounce@xxxxxxxxxxxxx [mailto:ora-apps-dba-bounce@xxxxxxxxxxxxx] On Behalf Of k srinivas Sent: Saturday, June 18, 2011 12:49 AM To: ora-apps-dba Subject: 2node/3node RAC Hi All, We are on EBS 11.5.10.2 and on 10G RAC having 2 db nodes. We are planning to migrate to 3 node RAC .I have 1 doubt for scalability and performance wise is it better to have 2 node or 3 node RAC,Keeping in point our Prod OLTP DB size is 8TB . Thanks in advance ..