
Step-by-step, build a complete 2-node Oracle 19c RAC environment on Red Hat Enterprise Linux 7.7 using shell scripts
What You Will Learn:
- Create a virtual machine in Oracle virtualbox on windows 11
- Install RHEL7.7 operating system on the virtual machine
- Clone virtual machine to create two addition virtual machine for 2-node Oracle RAC database
- Configure public, private, and virtual IP networking
- Configure shared storage for the RAC environment
- Create OS file systems
- Create ASM file systems
- Configure local domain for oracle scan-name
- Show more
As an experienced tech professional constantly evaluating resources for continuous learning and skill development, I recently delved into “Build 2-Node Oracle 19c RAC Database on Linux 7 using script.” My verdict? If you’re serious about mastering enterprise-grade database infrastructure, this course offers a truly invaluable, hands-on learning experience that goes beyond mere theoretical understanding.
Overview
Forget the abstract whitepapers and high-level diagrams; this course throws you directly into the trenches, empowering you to construct a robust, highly available Oracle 19c RAC environment from the ground up. What sets it apart is the strong emphasis on shell scripting – a crucial skill in any modern IT landscape for automation and repeatability. Instead of just showing you how to click through installers, you learn the underlying commands and how to encapsulate them into executable scripts. This approach not only solidifies your understanding of each component – from virtualization setup with Oracle VirtualBox on Windows 11 to intricate networking configurations, shared storage management (both OS filesystems and ASM), and finally, a fully functional 2-node RAC database – but also equips you with immediately applicable, job-ready skills. This isn’t just about building a database; it’s about understanding the entire ecosystem necessary to support mission-critical applications and preparing you for `real-world projects` in complex environments.
Prerequisites
While the course guides you step-by-step, a foundational understanding of certain concepts will undoubtedly smooth your journey. You’ll benefit immensely from basic familiarity with Linux command-line operations – things like navigating directories, managing files, and understanding user permissions. A conceptual grasp of virtualization (what a VM is, basic networking within a hypervisor) is also helpful, though the course covers the specifics for Oracle VirtualBox. No advanced Oracle DBA knowledge is strictly required as you’re building the database from scratch, but a passing acquaintance with database terminology will help you connect the dots faster. Essentially, it’s designed to take you from a curious beginner with some technical acumen to an intermediate-level practitioner in Oracle HA solutions.
Skills & Tools
The core of this course revolves around mastering several critical industry-standard tools and technologies. You’ll gain practical expertise in setting up and configuring Oracle VirtualBox, an excellent platform for creating lab environments. The operating system of choice is Red Hat Enterprise Linux 7.7, providing exposure to a widely used enterprise Linux distribution. The true stars, however, are Oracle 19c RAC and the comprehensive use of shell scripting. You’ll dive deep into networking concepts, configuring public, private, and virtual IPs, and understanding the role of the Oracle SCAN listener. Shared storage configuration, including the creation of OS file systems and the crucial Automatic Storage Management (ASM), is covered in detail. By the end, you’ll not only have built a RAC database but also developed robust troubleshooting and automation skills.
Career Benefits & Job Roles
Successfully completing this course offers a significant boost to your career growth. For aspiring or junior Oracle DBAs, it provides an unparalleled foundation in high availability. Experienced DBAs looking to expand into enterprise-level deployments will find it excellent for honing their RAC skills. Linux System Administrators will benefit from the deep dive into RHEL configuration specific to Oracle environments. Furthermore, understanding RAC architecture is vital for roles like Database Architects or even Cloud Architects dealing with on-premise or hybrid cloud solutions. The practical, script-driven approach is perfect for building a portfolio of real-world projects, making you more marketable. It’s also a solid stepping stone for those pursuing certification prep for Oracle Certified Professional (OCP) or Oracle Certified Expert (OCE) exams focused on RAC.
Pros
- Script-Driven Automation: The reliance on shell scripting for every major step is a huge advantage. It teaches you automation, repeatability, and deepens your understanding of each command, making it a truly valuable, job-ready skill.
- Comprehensive End-to-End Build: You start from scratch with virtualization and end with a fully functional 2-node RAC database. This holistic approach covers everything from the OS to shared storage and networking, providing a complete picture of an enterprise setup.
- Practical, Hands-On Labs: This course is pure practical application. It’s a perfect environment for hands-on labs, allowing you to troubleshoot and resolve issues as they arise, which is where real learning happens.
- Foundation for Advanced Topics: Once you have this RAC environment built, it serves as an excellent sandbox for further exploration into areas like Data Guard, performance tuning, patching, and various high-availability strategies, paving the way from beginner to advanced expertise.
Cons
- While the concepts are timeless, the course focuses on specific versions (RHEL 7.7, Oracle 19c). While still highly relevant and widely used, newer versions of both operating systems (RHEL 8/9) and Oracle Database (21c/23c) are available, meaning some syntax or package names might differ if you attempt to replicate on the absolute latest versions.