Definition of irrigation. 1  1 : the therapeutic flushing of a body part with a stream of liquid. 2  2 : the watering of land by artificial means to foster plant growth.
Answer: To start with, Oracle Real Application Clusters (RAC) are a database system involving a configuration of multiple hosts or servers joined together with clustering software and accessing the shared disk storage structures.
Install the Linux operation system on the new Oracle RAC node using the same procedures documented in the original guide describing the two-node Oracle RAC 11g Release 2 configuration. When configuring the machine name and networking, ensure to follow the same conventions used in the existing Oracle RAC system.