Oracle tips and tricks.
I have found during some administrative tasks it is easier to have your system in single NODE configuration. An example of this, would be physical changes the database structure that due not include binary upgrades such as a CPU patch. It is easier to startup, shutdown, and restrict access thorough single stand alone [...]
Since the introduction of Oracle RAC, we have seen the additional system dictionary views of GV$ which reflect information across the various nodes of a RAC system. Unlike the V$ views of the data dictionary, which relate to the current status of the single node you are connected to, the GV$ allows you to [...]
In order for ASM and RAC to work properly the CRS (Cluster Ready Service) must first be configured. This procedure outlines the configuration of CRS in a Linux environment.