SHARE in Providence,RI

SHARE conference in Providence,RI  August 6th - 11th http://www.share.org/page/providence Hello everyone! It was great to see lots of great mainframe minds under one roof at SHARE conference.  It was great experience.  SHARE is one of the worlds best mainframe community driven organization. It is one of the best. Great people with extra ordinary knowledge. Great …

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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 …

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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 …

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Capping in z systems – Part 1

Today we dwell into one of the exciting topic in the mainframe world its "Capping". What is capping? Capping controls the amount of CPU consumption by an IBM z System logical partition LPAR.  In this context, CPU here is general purpose CPU and not a specialty processors like z Integrated Information Processor (zIIP),  Integrated Facility …

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