The SYSTEM will NEVER allow you to run 2 or more batch jobs with the same name. 
 That lock/prohibition has been
There since JES was written.  It been a convenient way to single thread 
multiple jobs with the same name.

That being said you can have MULTIPLE STC's with the same name but you best be 
very, very careful  



-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf 
Of Lizette Koehler
Sent: Thursday, September 14, 2017 8:50 AM
To: [email protected]
Subject: Re: Can you run multiple jobs with the same job name at the same time 
on JES2?

There is. It is documented in the JES2 INIT and TUNING.   Go to www.ibm.com and 
search on JES2 DUPLICATE JOBS



However, what problem are you trying to solve?

When you switch this on - it will be an way of running that JES2 supports but 
it is not normal for JES2.  It was setup with serial processing.

If you run duplicate job names, you will probably hit resource contention.  
Everyone wanting the same dataset, for example.

If you specify DUPL_JOB=NODELAY, jobs with the same job name may run 
concurrently with adverse effects. Make certain that this serialization 
mechanism is not being used in your environment before changing this parameter.


Lizette

> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] 
> On Behalf Of Mark Regan
> Sent: Thursday, September 14, 2017 6:29 AM
> To: [email protected]
> Subject: Can you run multiple jobs with the same job name at the same 
> time on JES2?
> 
> Just asking if there is a way.
> 
> --
> 
> Regards,
> 
> Mark T. Regan
> 

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