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Status Not under consideration
Workspace IBM i
Categories Db2 for i
Created by Guest
Created on Sep 8, 2020

documentation for the journal entries MC

the " F MC" journal entries:

contain information about table changes however the details of the table structure are not documented.

The table structure is essential when trying to decode the journal entries containing data.

At the moment we can use the system catalogue tables or even call the system program DSPFFD as AS400FileRecordDescription in the jt400 library does.
However the table could have been changed since the journal was written and may no longer match the historic journal entry we are processing.

Please can you document the MC journal entries enough that we can determine the fields, types and sizes.

Use Case:

Monitoring the journal log entries to trigger events e.g. security monitoring or as a way of triggering other systems when integrating with the iseries.

Idea priority Medium
  • Guest
    Jan 6, 2021

    As pointed out in the discussion, the information that was required exists in the "D GC" journal entry, not the "F MC" entry. No documentation change is needed.

  • Guest
    Nov 10, 2020

    For clarification it turns out the data I want is in the "D GC" records, the same section of the document but the data seems to be only present in the "D GC" and not the "F MC" records