(ZOS) Problem determination skills
In a large-scale enterprise system such as the WebSphere Application Server for z/OS environment, diagnosis might require a variety of skills to progress from a symptom to fixing the underlying cause of that symptom.
Because WAS for z/OS exploits many of the qualities and services that are unique to the z/OS operating system, diagnosing system-related problems might require skills in the following areas:
- Parallel sysplex
- TCP/IP
- Security Server (RACF ) or the equivalent
- Database systems such as DB2 Universal Database™ for z/OS
- UNIX Systems Services
We can find information for many of these topics in the publications available through the z/OS library website.
Similarly, diagnosing application-related problems might require a variety of skills because of the variety of application components that WAS for z/OS supports. Programmers who diagnose application problems in the WAS for z/OS environment need some familiarity with the following:
- The process of assembling, deploying, installing, and running server applications and clients in the WAS for z/OS environment.
- Various tools such as the WAS for z/OS error log, and the job logs for programs running on z/OS.
Diagnose problems (using diagnosis tools) Troubleshoot class loaders