This document provides step-by-step instructions to set up a 2-node Oracle 12c RAC sandbox environment on a laptop using Oracle VirtualBox. The key steps are:
1. Install Oracle VirtualBox and configure host-only networking
2. Create one Oracle Linux 6 virtual machine and install the OS
3. Configure shared storage by creating ASM disks
4. Clone the first node to create an identical second node
5. Install Oracle Grid Infrastructure and configure the RAC environment
6. Install the Oracle database software and create a database that is accessible from both nodes