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MAINFRAME - TIP OF THE DAY : When you specified V for RECFM parameter, LRECL value is largest record in the file plus 4 bytes. These four bytes contain the actual length of each variable length record in the file

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mahesh999
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PostPosted: Sat Sep 12, 2009 12:05 pm    Post subject: impact analysis Reply with quote

hi group,
im a new member, how is impact analysis done in mainframes? can it be done using endevor? or is there any other process for doing impact analysis, can impact nalaysis be done using a tool?is there any specific tool, jus wanna know how its done.....?



thanks
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Natarajan
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PostPosted: Sat Sep 12, 2009 3:53 pm    Post subject: Reply with quote

In my shop, we do it manually, by searching the PDS libraries.
ie., using 3.14.

if you want to do impact analysis for cobol db2 programs.
there are tools, those will list all the programs , which are using a particular table.
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Anuj Dhawan
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PostPosted: Mon Sep 14, 2009 10:32 am    Post subject: Reply with quote

Every shop has its own methods and rules to do impact analysis. Get in touch with some one at your shop to know existing procedure there.
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mahesh999
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PostPosted: Mon Sep 14, 2009 10:42 am    Post subject: Reply with quote

hi natrajan,anuj thnks for replying., natrjan u said there are tools used for coboldb2 , and anuj whats the procedure u use for impact analysis
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Anuj Dhawan
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PostPosted: Mon Sep 14, 2009 10:58 am    Post subject: Reply with quote

Now that's a typical question to answer -- Do you have change in some copybook? Do you have DB2-table changes? Do you add a new segement in undeline IMS-DB? Do you change the value of some filed in some segment? and so on...and on..
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