Hello janine, > Thanks to all for your help, but now I am even more confused about what to > install. Maybe this could help you? That's how I installed 11.2.0.2 on a two-node RAC running RedHat Linux 5 64 bit with different GI and RDBMS owners. http://itdavid.blogspot.com/2011/02/installing-patch-11202-to-oracle-11201.html HTH, David > Rui is correct that patch 10098816 is the standalone patch set for 11.2.0.2. > Since it is patch set 1, I would assume it would bring the database up to > 11.2.0.2.1. It was released in September 2010. > > Patch 10248523 is the 11.2.0.2.1 Patch Set Update. It says that Patch Set > Updates are cumulative, and since it was released just a few weeks ago, I > would expect it to include patch 10098816, along with all important patches > that have come since. But it doesn't seem to, or at least it is not listed > anywhere. And the readmes for the two patches are vastly different; even > the installation instructions seem different. > > So what is the best practice here? Do people install each PSU as it comes > out? Is there a reason to install only the standalone update to 11.2.0.2.1? > > thanks, > > janine -- //www.freelists.org/webpage/oracle-l