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This video reviews Fast Path DEDB processing (versus full-function databases). The video also discusses Fast Path failures, emergency restarts, and cold starts.
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This video describes how to use the VERBX VSMDATA command on the IMS control region to get diagnostic data from the Virtual Storage Management (VSM) facility.
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This third video describes how to protect databases after after an emergency restart failure, specifically how to: Identify and close the open OLDS Identify what was active at the time of failure…
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This second video continues the discussion of emergency restart failure and what options you have in this situation.
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This first video describes emergency restart options and the actions required if ERE fails or is not possible.
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This video describes the process for analyzing a dump to find hangs and waits and possible causes.
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In this second video, you’ll get more detail about the process of analyzing an IMS dump and to determine the possible causes of waits in IMS.
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This video begins the discussion about how you can analyze an SVC dump for wait conditions in IMS.
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By analyzing an SVC dump, you’ll learn how to analyze loop and possibly hangs and waits in an IMS system.
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This video shows how to:Determine whether the condition is a loop or wait Determine whether IMS is executing during shutdown Query the IMS dispatch work areas Check for potential z/OS problems…
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This video describes how to use the IMS interactive dump formatter to scan control blocks and fields to determine how far in the shutdown process you have gone before running into a hang condition.…
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This video describes how you analyze 0C4 abends.
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This video provides an overview about how to use IPCS to find information about an IMS 0Cx abend (in particular an ABEND0C4) and how to find possible solutions to the problem.
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This video shows how to do a save area analysis (SAP) on a real IMS dump.
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This video describes how to find the SAPs, SAPs that are in a normally waiting, abnormal active SAP, and abnormal waiting SAP.
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This video discusses why SAP analysis is useful, z/OS dispatching TCBs, and IMS ITASK CTLBLK relationships.
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