hwo to stop an executing JCL



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hwo to stop an executing JCL

Postby samb01 » Tue Jun 23, 2015 6:06 pm

Hello,

i have a JCL with sereval steps :

step1

step2

step3

step4

etc..


until step 40.

I would like to stop the JCL without error if the step4 return a Return Code = 4

Is it possible without coding code condition in the others steps ?
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Re: hwo to stop an executing JCL

 

Re: hwo to stop an executing JCL

Postby NicC » Tue Jun 23, 2015 9:34 pm

Yes - use IF and put steps 5 to 40 after the IF.
The problem I have is that people can explain things quickly but I can only comprehend slowly.
Regards
Nic
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Re: hwo to stop an executing JCL

Postby samb01 » Thu Jun 25, 2015 2:03 pm

Hello NicC,

thank's for your answer but we musn't use "if" in our Production JCL beaucause it's not so easy to rerun a abended job.
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Re: hwo to stop an executing JCL

Postby Blackthorn » Thu Jun 25, 2015 2:22 pm

So you want to do something, but don't want to use the tools that IBM provide you to accomplish it.....?

We have always found the ┬ČRUN keyword used with an IF statement to be a suitable way of coping with earlier steps not running due to a job restart.

Or if you have TWS you can use the supplied step restart function to take care of it for you. The JES control blocks will be manipulated for a restarted job so that return codes from the previous failed job are simulated when the job is rerun, thus allowing subsequent IF statements to be interpreted correctly. I daresay other schedulers have similar functionality.
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Re: hwo to stop an executing JCL

Postby BillyBoyo » Thu Jun 25, 2015 2:53 pm

If you're not allowed to use IF for some entirely spurious reason (the only thing difficult about re-run situations is if the JCL is coded badly to not expect re-runs) then have your scheduler control everything. If your site is suffering from the illusion that a 253-step JOB is the thing to do, then have each step as a separate JOB.
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Re: hwo to stop an executing JCL

Postby NicC » Thu Jun 25, 2015 3:06 pm

If this is production then your job is WRONG. Steps 5 onwards should be a separate job which is dependent on the success, or otherwise, of the first four steps.
The problem I have is that people can explain things quickly but I can only comprehend slowly.
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Nic
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