Robert Sample
Global Moderator
Joined: 06 Jun 2008
Posts: 8697
Location: Dubuque, Iowa, USA
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1. Design
2. Code
3. Test
4. Implement
Seriously, are you talking about using a file as a journal? If so, the application needs to be designed with journals in mind, coded so every key piece is written to the journal, tested, then implemented into production.
If you're talking about writing to a CICS system journal, there is WRITE JOURNALNAM and WRITE JOURNALNUM in the CICS Application Programming Reference manual (link at the top of the page). And again your application will have to be coded to use these commands, tested, ...
In both cases, you need to consider recovery in the design phase. Presumably you want to journal so you can recover from some condition -- in which case you need to make sure you're writing the correct data to enable recovery, plus develop (and test) a process to use recovery when appropriate. |
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