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CICS to IMS DC conversion while maintaining IMS DB database

 
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priyadutta1984

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Joined: 02 Apr 2007
Posts: 11
Location: chennai

PostPosted: Fri Apr 27, 2007 4:22 pm    Post subject: CICS to IMS DC conversion while maintaining IMS DB database
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hi Gurus,
i have a task that , i have to change ims db - cics programs to ims db/dc. i.e. i have to change cics to Ims DC .will u pls give some suggestion regarding that. Ims DB is remains same.

cheers
priya
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Devzee

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Joined: 20 Jan 2007
Posts: 684
Location: Hollywood

PostPosted: Sat Apr 28, 2007 12:09 am    Post subject:
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I'm assuming you have CICS program with BMS which has IMS DB calls.

New MFS maps should be created for the BMS screen
PSB shoud be changed
New Transactions should be defined in IMS DC
Create new program with similar logic of existing CICS program, with IMS DC calls. And you need to do the scheduling which might be in current CICS IMS DB programs.
You need to add all the required components in the program like Working storage IO areas, linkage, DLI calls.
Instead of COMMAREAS you might have to use SPA.

This list of changes is not complete, it really depends on how complex your CICS IMS DB program.

I would suggest first read IMS DC manual and get understanding of how IMS Dc works.
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