I've run 200+ server environments on centos4, a 40+ server cluster on centos5, and now run a 50+ server cluster on rhel6. I'm pretty much dead on their target audience here. This seems almost mean. Its a billion dollar company calling out a volunteer group of a couple of guys for being slower than them. Part of the reason I switched to rhel was exactly this graph, I didn't have a lot of faith in centos as a going con…
We eventually switched back to RHEL. It's well worth the money for any serious player. The "support" from OEL seemed fairly amateurish -- for example broken hotfix packages that appeared to be one-off builds.