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How to start two steps simantaneously in a single JCL

 
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mchanapa

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Joined: 17 Nov 2011
Posts: 36
Location: India

PostPosted: Wed Dec 04, 2013 2:39 pm    Post subject: How to start two steps simantaneously in a single JCL
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Hi,

I have a requirement to start two steps simultaneously in a single JCL.
Kindly let me know.

Regards,
Kishore ch.
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Pandora-Box

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Joined: 07 Sep 2006
Posts: 1542
Location: Andromeda Galaxy

PostPosted: Wed Dec 04, 2013 2:57 pm    Post subject:
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Do you mean
Job zzz has 2 steps and you wanted them to execute parallely once zzzz is submitted ?

But if you could explain what you are trying to achieve someone could help
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expat

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Joined: 14 Mar 2007
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Location: Back in jolly old England

PostPosted: Wed Dec 04, 2013 3:28 pm    Post subject:
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Can't be done in the way you want to do it.

However, you can parallel run two jobs together, where JOB1 feeds data to JOB2, however the software required does not come free from IBM.
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Robert Sample

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Joined: 06 Jun 2008
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Location: East Dubuque, Illinois, USA

PostPosted: Wed Dec 04, 2013 5:04 pm    Post subject:
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A job executes sequentially -- step 1 is followed by step 2 is followed by step 3 .... There is no way to change this behavior, hence as has been stated what you wanted to do is not possible -- PERIOD. As expat indicates, though, it can be done via multiple jobs -- but not in a z/OS system straight out of the box (so to speak); other software is needed.
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daveporcelan

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Joined: 01 Dec 2006
Posts: 683
Location: Pennsylvania

PostPosted: Wed Dec 04, 2013 6:21 pm    Post subject:
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I know everyone here loves to be technical.....

Is a JCL the same as a JOB?

Back in my day a JCL would refer to a 'deck' of punch cards that could contain many JOB cards.

In fact we would load a huge JCL deck into the card reader with that nights schedule, all Jobs were TYPRUN=HOLD. We would release them from the input queue as needed.

With that being said, the JCL could look like this:

Code:
//XXXJOB1    JOB (&SYSUID,TEST,350-751),CLASS=Q,MSGCLASS=Z,
//           NOTIFY=&SYSUID
//*
//STEP1      EXEC PGM=IEFBR14,
//           ACCT=(XXX,TEST,260-300)
//*
//XXXJOB2    JOB (&SYSUID,TEST,350-751),CLASS=Q,MSGCLASS=Z,
//           NOTIFY=&SYSUID
//*
//STEP2      EXEC PGM=IEFBR14,
//           ACCT=(XXX,TEST,260-300)
//*

The Jobs would be submitted to JES sequentially, but would probably run at the same time, with different names if there were enough initiators available.

Just some thoughts...
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Anuj Dhawan

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Joined: 22 Apr 2006
Posts: 6258
Location: Mumbai, India

PostPosted: Wed Dec 04, 2013 6:23 pm    Post subject:
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Let's assume the almight had made this happen - what will you achieve out of it? I don't seem to guess good, can you please help?
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dick scherrer

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Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Wed Dec 04, 2013 7:45 pm    Post subject:
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Hello,

Why does someone believe there is such a requirement . . . icon_confused.gif
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daveporcelan

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Joined: 01 Dec 2006
Posts: 683
Location: Pennsylvania

PostPosted: Wed Dec 04, 2013 7:54 pm    Post subject:
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Quote:
Why does someone believe there is such a requirement . . .


My bet is that this related to the other thread about two jobs with the same name....

Both TS are on a 'treasure hunt'. The first to come up with the answer, wins the prize. icon_wink.gif
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enrico-sorichetti

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Joined: 14 Mar 2007
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Location: italy

PostPosted: Wed Dec 04, 2013 8:00 pm    Post subject: Reply to: How to start two steps simantaneously in a single
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nope icon_wink.gif

not the same TS
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dick scherrer

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Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Wed Dec 04, 2013 8:00 pm    Post subject:
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Hi Dave,

I believe the "other" thread has mis-spoken in the sugject. There is no need for both running at the same time. It just needs a way to determine which of 2 is to be run.

The same may apply here . . .
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Terry Heinze

JCL Moderator


Joined: 14 Jul 2008
Posts: 1249
Location: Richfield, MN, USA

PostPosted: Wed Dec 04, 2013 8:06 pm    Post subject: Re: Reply to: How to start two steps simantaneously in a sin
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enrico-sorichetti wrote:
nope icon_wink.gif

not the same TS
... or the same Thread Starter with 2 different user names.
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daveporcelan

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Joined: 01 Dec 2006
Posts: 683
Location: Pennsylvania

PostPosted: Wed Dec 04, 2013 8:49 pm    Post subject:
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Just seems to much of coincidence to me.

Very similar 'requirements'.

Also looks like one of those cases where the 'solution' comes before the design.
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