Lesson 4: Problem Determination, Recovery, and Best Practices

This lesson develops practical understanding of problem determination, recovery, and best practices for the Learn COBOL Training.

Topics Covered

• Job failures, syntax errors, abends, dataset issues, permissions, and resource problems
• Logs, messages, dumps, diagnostic commands, and support evidence
• Backup, recovery, restart, rollback, and operational continuity
• Documentation, standards, change control, and handover
• Final mainframe troubleshooting exercise

Lesson Outcome

Learners complete this lesson with the ability to explain, apply, validate, and troubleshoot the covered mainframe workflow.