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scheduling between OPC and TWS give unpredictable result ?

 
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nsbl

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Joined: 16 Aug 2016
Posts: 2
Location: france

PostPosted: Sun Mar 12, 2017 5:35 pm    Post subject: scheduling between OPC and TWS give unpredictable result ?
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Hello everybody,

I have more than 30 years experience on mainframe from dos to Z/os and scheduled millions applications on it, including end-to-end.
Today on my new client, i arrive on a Z with OPC not configured as a server with unix but i have Unix servers separately with distributed TWS.
On both, the current plan start each day at 11:00 for a production start at 18:30.
When i try to schedule a standard TWS jobstream (monday till friday on workdays), on OPC it's perfect and on TWS Unix if it is before 00:00 all is okay, but if i want to schedule at 7:00 tomorrow, the result is that TWS schedule the jobstream on friday for saturday morning, and if i add freedays in the week with except don't run, it exactly runs on these freedays.
What it's strange is that i find no one example on the net about this nor on any brochure about this problem.
And what is totally extraordinary and against all logics is : if i think "MINUS 1" for everything : i schedule from sunday to thursday with saturday as free day and add freedays calendar with minus 1 free days : it's working perfectly ???
Is anyone has experienced this kind of UFO ???
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PeterHolland

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Joined: 27 Oct 2009
Posts: 2433
Location: Netherlands, Amstelveen

PostPosted: Mon Mar 13, 2017 2:43 pm    Post subject:
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As far as I remember an OPC connector has to be installed for communication between OPC-TWS.
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nsbl

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Joined: 16 Aug 2016
Posts: 2
Location: france

PostPosted: Mon Mar 27, 2017 11:31 pm    Post subject: scheduling between OPC and TWS give unpredictable result ?
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Hi PeterHolland,

Thanks very much for your reply,
Yes, you are right, I worked at a customer with the connector,
And everything was planned from the Z, simply brilliant,
But we will not have it,
And I can not plan correctly on unix / tws,
Especially when I have somewhat complicated cycles,
It the reverse of what I ask,
That's why I tell the unix team,
That with the Z, I have a Rolls Royce in my hands,
We requested the assistance of an IBM consultant,
Thank you again for spending time on my question.
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PeterHolland

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Joined: 27 Oct 2009
Posts: 2433
Location: Netherlands, Amstelveen

PostPosted: Tue Mar 28, 2017 10:50 am    Post subject:
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nsbl. you are welcome.
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Harald.v.K

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Joined: 08 May 2009
Posts: 7
Location: Netherlands

PostPosted: Fri Apr 07, 2017 7:28 pm    Post subject:
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Hi nsbl,

I'm not as experienced as you, but from your description it seems to be an issue with a starting point, which is indexed 'zero' on the one platform, and indexed '1' on the other...

I was triggered by your 'minus 1' solution...
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