The methodology is to install the Oracle binaries on the local disk and to create the Oracle database on shared disks during the first installation. Then, install the Oracle binaries on local disks of other nodes. This methodology ensures that all Oracle installations are identical and access the database from the same location on the shared disk.
Table: Installation tasks for $ORACLE_HOME on local disks lists the tasks to install Oracle such that $ORACLE_HOME is on local disks.
Table: Installation tasks for $ORACLE_HOME on local disks