Mainframe Problem Diagnosis Part 3

This post is part of mainframe diagnosis series.  Today we will discuss about diagnostic Traces. This part 3 of the series.  I am in the process of preparing for an  IPCS presentation and I am refreshing some of those concepts.  Thought to share this along the way. Trace prints a trail of entries about the …

Mainframe Problem Diagnosis Part 2

  This post is part of mainframe diagnosis series.  Today we will discuss about diagnostic dumps.  This post is part 2 of the series.  Check part 1 post here Dumps provide very useful diagnostic data related to the problem.  The problem could be in operating system, subsystem (example DB2,CICS etc), hardware or application.  A problem may …

Mainframe Problem Diagnosis Part 1

In this series, we will discuss various topics related to mainframe z/OS problem diagnosis. In this article part1, I will give an overview fundamentals and in later articles we will discuss in depth. To diagnose a problem, mainframe provides you with logs, dumps, traces and messages. Logs Console log Messages issued at console intended for operator. SYSLOG …