Understand the directory structure for Oracle Real Application Clusters (Oracle RAC) software environments.

• Understanding the Oracle RAC Directory Structure
  When you install Oracle Database 19c with Oracle RAC, all subdirectories except for the Oracle Inventory directory, the Oracle Automatic Storage Management home (if applicable), and the Oracle Clusterware home, are under a top-level Oracle base directory. The Oracle home and admin directories are also located under the Oracle base directory.
• Directory Structures for Oracle RAC
  Review this topic to understand the hierarchical directory tree of a sample Optimal Flexible Architecture (OFA)-compliant database for Oracle RAC.