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JCLs for online program

 
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Pankaj Gupta
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PostPosted: Thu Jan 27, 2011 4:21 am    Post subject: JCLs for online program
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Hello everyone,

I am writing IMS programs for online system. My doubt is pertaining to the JCLs to execute the program. The first program will be displaying the menu screen and it is being called PMENU01. Could someone please elaborate on the precise statements I will be needing within my JCLs?

Thank you.
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dick scherrer

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PostPosted: Thu Jan 27, 2011 10:22 am    Post subject:
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Hello,

Last i heard, online transactions were started from a terminal, not jcl.

Possibly there is something i misunderstand. . .

You should probably talk with a co-worker or an ims support person to learn how things are specifically done in your environment.
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Anuj Dhawan

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PostPosted: Thu Jan 27, 2011 7:54 pm    Post subject:
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I agree with Dick. Are you really talking about IMS DC(online)? Or talking about the differnce between DLI and BMP program execution?
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Pankaj Gupta
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PostPosted: Fri Jan 28, 2011 4:30 am    Post subject:
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This is the online programs in the IMS DC. I am working in the IMS support area so I am having no one else to ask this doubt. We need to get this system running in soon time but we have a doubt about the JCLS syntaxes.

Somehow we must be running the DFSRRC00 I am thinking but this must too call our first screen and making it appear in the IMS.
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Sandy Zimmer

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PostPosted: Fri Jan 28, 2011 4:53 am    Post subject:
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There is absolutely NO JCL associated with an IMS DC function. Your tech services group needs to help you. You will need a transaction, a PSB, an ACB gen, MFS (for the screens) and COBOL program(s). I am assuming that you already have a DBD.
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dick scherrer

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PostPosted: Fri Jan 28, 2011 10:09 am    Post subject:
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Hello,

Quote:
I am working in the IMS support area so I am having no one else to ask this doubt.
You need to explain this to your management. If they intend you to actually support this, they need to provide you the proper training or bring in someone to help train you.

Quote:
We need to get this system running in soon time but we have a doubt about the JCLS syntaxes.
If this is needed soon, more the reason to bring in someone already qualified. There are many more doubts/misunderstandings than JCL. . .
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Kjeld

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PostPosted: Fri Jan 28, 2011 6:42 pm    Post subject:
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You don't need to execute JCL to run the transaction. You should define the new transaction codes and the PSBs to IMS and do an IMS generation.

If you add new IMS DB to the online system they need to be defined to IMS generation, too.

How it is done at your shop I cannot tell, it's site specific. I hope not you are the only one dealing with your IMS installation and support, then better bring in some hired help, as Dick suggests.
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Pankaj Gupta
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PostPosted: Sat Jan 29, 2011 8:03 pm    Post subject:
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I am having doubts as to the precise meaning of the PSBs, MSF and so ons.

We have a program and in it is being the screen layout. This we send to IMS with the CBLTDLI call and the 01 level of the screen layout.

Our doubs are surrounding the JCLs which will be starting the conversations.

Thanks you.
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Sandy Zimmer

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PostPosted: Sat Jan 29, 2011 8:09 pm    Post subject:
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An online program is invoked by a transaction running in a specific class assigned to a particular region. A PSB - program specification block - defines the databases and their allowable access. It also defines which type of IMS program - TP - BMP - DLI. MFS - message format service - defines the screen layout. It also has the tran id.

I really think that you should get a mentor.
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Pankaj Gupta
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PostPosted: Sat Jan 29, 2011 8:13 pm    Post subject:
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Thank you for your helpings.

Do we include the mentor in the JCLs? Is it being in SYS1.RESLIB or in other locations?
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Akatsukami

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PostPosted: Sun Jan 30, 2011 12:46 am    Post subject:
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Pankaj Gupta wrote:
Do we include the mentor in the JCLs? Is it being in SYS1.RESLIB or in other locations?

Mentor

Comprehending English is as important to a career in mainframes as is comprehending COBOL, CICS, or DB2.
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Pankaj Gupta
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PostPosted: Sun Jan 30, 2011 1:42 am    Post subject:
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Quote:
Comprehending English is as important to a career in mainframes as is comprehending COBOL, CICS, or DB2.



I am thanking you sir for your complimenting.

With all the help from the kind people here on the mainframes forums and I being certain that soon our IMS systems will be running like a clock.
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enrico-sorichetti

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PostPosted: Sun Jan 30, 2011 4:13 am    Post subject: Reply to: JCLs for online program
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Quote:
With all the help from the kind people here on the mainframes forums and I being certain that soon our IMS systems will be running like a clock.


so the plans are
for You to have somebody else do the work You are getting paid for
for Your organization to get free consultancy on somebody else time
what effing ethic !

I sincerely hope that all the bytes in Your organization lose their parity icon_evil.gif
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mtaylor

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PostPosted: Sun Jan 30, 2011 7:29 pm    Post subject:
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I think it's particularly poignant that IT salaries in the US have been stagnant for 10 years, and every time our President speaks on these issues he says we need to increase innvoation and graduate more science and engineering degrees. Who wants to work in this or any field where all the companies think it can all be done faster better and cheaper by paying off shore workers 1/4 (if that much) as an on shore worker? Not to mention the supposed on shore shortage is a fabrication of corporations and lobbyist for increasing visa alotments.

Certainly there are more proficient IT workers over seas than we see here, but one does wonder at times.
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Sandy Zimmer

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PostPosted: Mon Jan 31, 2011 2:10 am    Post subject:
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I think that I have posted this before - it gives a simple explanation of how IMS works. It is simple and comprehensive. It's packed full of pictures for ease of understanding. You really do need to understand IMS - it is totally different from anything relational. And, it will be around for quite some time - noone has invented anything that compares in speed - accuracy - backup - backout - etc.

http://www.redbooks.ibm.com/redbooks/pdfs/sg245352.pdf
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