Introduction: This article provides a step by step guide for installing Oracle Database 26ai RAC in a two node cluster environment. It covers essential prerequisites, Grid Infrastructure installation, ASM configuration, RAC database creation, and post-installation verification steps to help you successfully deploy and validate a functional Oracle RAC setup. Prerequisites: Below are the minimum requirements for Linux environment. For each node: OS - Linux 8/9 CPU - 2core RAM - 8GB SWAP - 8GB Disk space - 50GB (/u01) Must have root user or sudo access. Disable the firewall. 2 Network cards (NIC). For whole setup: Raw Disk storage - 80GB (For ASM disks) Grid and Database binary. Download here. Scenario: This setup is for learning and testing purposes only. So a lightweight Oracle RAC 26ai lab environment will be built using limited hardware resources. Each node will be configure...