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DB2 draining online module


IBM Mainframe Forums -> CICS
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Nileshkul

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Joined: 09 May 2016
Posts: 24
Location: India

PostPosted: Wed Dec 04, 2019 12:17 am
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Hi,

I am working on a issue where a online cics module is switched off/drained due to ongoing DB2 housekeeping.
I want to make sure that before drained, stopped, the online module should execute piece of cics code that will START itself after certain interval.

Can I achieve this using CICS HANDLE command? Will HANDLE command able to trap module being drained due to DB2 housekeeping running.

Your thoughts please.
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Rohit Umarjikar

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Joined: 21 Sep 2010
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PostPosted: Wed Dec 04, 2019 8:11 am
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What do you understand by “Drained” or “switched off” term? When is that happening and what causing that to happen ?
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Nileshkul

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PostPosted: Wed Dec 04, 2019 5:58 pm
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As far as I understand, there is DB2 housekeeping running which is draining the online cics module. I think by draining means abnormally terminate running cics module?
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Rohit Umarjikar

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PostPosted: Wed Dec 04, 2019 6:10 pm
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That’s seems scary about what you say. Why would such housekeeping anyone do when users are using the application ?

However, Whoever is doing this housekeeping should also takes care If this START task and not the Developers concern.
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John Poulakos

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Joined: 13 Jun 2012
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PostPosted: Thu Dec 05, 2019 8:24 pm
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There is no such thing as "draining a CICS module". If you wish to stop a CICS transaction prior to DB2 maintenance function being performed and restart it after, that can be done with commands in a batch job.
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