[z/OS]

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 WebSphere Application Server 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

You 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 WebSphere Application Server for z/OS supports. Programmers who diagnose application problems in the WebSphere Application Server for z/OS environment need some familiarity with the following:
  • The process of assembling, deploying, installing, and running server applications and clients in the WebSphere Application Server for z/OS environment.
  • Various tools such as the WebSphere Application Server for z/OS error log, and the job logs for programs running on z/OS.

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