Hi, I will explain Oracle Real Application Cluster (RAC) Database 18c Step by Step Installation on Full Rack Exadata X7 in this article.   If Your Grid Infrastructure version is lower than 18c version, you need to upgrade it to Oracle 18c. Grid Infrastructure versionshould be equal or higher than Database Software version. You can read … Continue reading Oracle Real Application Cluster (RAC) Database 18c Step by Step Installation on Full Rack Exadata X7