What is the difference between Oracle clusterware and Real Application Clusters? If we have 2 servers and want to join them into a cluster why there are two separate software products?
asked Feb 14, 2013 at 8:15 895 5 5 gold badges 18 18 silver badges 24 24 bronze badgesOracle Clusterware is the clustering software that is a component of an Oracle RAC setup. Rather than being seen as a separate software product, Clusterware is part of the software stack (which includes the OS, ASM, Oracle RDBMS) that makes up an Oracle RAC cluster/deployment. Oracle support other clustering products in a RAC environment on some operating systems.
answered Feb 14, 2013 at 8:36 31.9k 10 10 gold badges 84 84 silver badges 108 108 bronze badgesYou could (in theory at least) also use the clusterware tools independently from RAC, to "cluster" apps other than Oracle RDBMS. I don't think that's widely used though.