Enhancing Your AS400 Experience: Top 10 Things to Do
Optimizing Your IBM i System for Performance, Security, and Innovation

The AS400, now known as IBM i, has been a trusted platform for many organizations. While renowned for its stability and reliability, there are key steps you can take to ensure it remains optimized, secure, and efficient. Here’s a list of the top 10 ways to enhance your AS400 experience.
1. Upgrade to the Latest IBM i Version
Updating to the latest IBM i version ensures improved security, performance, and new features. Benefits include enhanced security against new threats, bug fixes, better support, and access to the latest IBM tools. To upgrade, create a plan, back up your data, test the upgrade in a safe environment, and follow IBM’s guidelines for a seamless transition.
2. Optimize Database Performance
A well-tuned database boosts overall system efficiency. Start by creating indexes on frequently queried fields, removing unnecessary ones, and using SQL tools to simplify complex queries. Regular maintenance, including reindexing and cleaning logs, also contributes to peak database performance.
3. Implement Advanced Security Measures
In today’s digital landscape, protecting your AS400 system is essential. Enable multi-factor authentication (MFA), encrypt sensitive data both in transit and at rest, and use role-based access controls. Regularly audit system access logs to catch and respond to any suspicious activity.
4. Modernize User Interfaces
Modernizing AS400 interfaces makes the system more accessible and user-friendly. Replacing traditional green screens with graphical user interfaces (GUIs) or web-based applications can streamline operations. Tools like IBM Rational Developer for i (RDi) and modern web technologies like JavaScript can be valuable assets in this transition.
5. Automate System Monitoring and Maintenance
Automating these tasks ensures that your system runs reliably and frees up IT resources for strategic work. Use IBM’s performance monitoring tools or third-party solutions for real-time alerts on system health. Automate routine tasks like backups, data cleaning, and system updates to keep your AS400 running smoothly.
6. Leverage Modern Development Practices
Adopting Agile, DevOps, and test automation practices can significantly enhance AS400 development workflows. Agile methodologies improve collaboration, while DevOps tools streamline integration and deployment processes. Automated testing, particularly regression testing, ensures reliable, high-quality software delivery.
7. Enhance Data Management and Analytics
Data is a valuable asset, and effective data management can improve decision-making. Implementing a data warehouse centralizes your data for easy access, and using business intelligence tools like IBM Cognos can help visualize trends and metrics. Integrate big data technologies to handle larger data volumes and run real-time analytics.
8. Implement Backup and Disaster Recovery Plans
Prepare for the unexpected by developing comprehensive backup and disaster recovery plans. Regular full and incremental backups, offsite storage, and documented restoration procedures ensure data can be recovered if needed. Test these plans regularly to maintain reliability and minimize downtime.
9. Invest in Continuous Training and Development
Keep your team updated on the latest AS400 technologies through certifications, workshops, and online courses. Establish an internal knowledge base to document solutions and best practices, fostering a culture of continuous learning.
10. Foster a Culture of Innovation
Encourage your team to explore new ideas, technologies, and processes that can improve AS400 workflows. Organize hackathons, pilot projects, and collaboration with external experts to inspire creative problem-solving. Recognize and reward innovation to keep your system evolving with your organization’s needs.
Conclusion
Enhancing your AS400 system involves a combination of technical upgrades, process improvements, and team development. By investing in these strategies, you can ensure your AS400 environment remains a valuable, efficient, and secure asset for your organization’s future.
About the Creator
Mohit Sharma
Driven by a commitment to continuous growth, I am a strategic thinker who believes that exploration and curiosity are the foundations of true learning. My professional focus is on delivering impactful content and insights on technology.




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