Hello, I try to find pros and cons for using Oracle Restart against Oracle Clusterware on one node. Cons Oracle Restart - unable to control resource with another owner - very difficult for using applicative resource - not possible to create VIP - documentation very poor - unable to loas ACFS driver Pros - simple. Pros Oracle Clusterware : - easy to add a node Cons Oracle Clusterware : - memory needed Thank you for the help. Thierry.