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Help required on DBRC parameter

 
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harsha puthraya

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Joined: 29 Oct 2008
Posts: 8
Location: Bangalore

PostPosted: Thu Apr 09, 2009 10:40 am    Post subject: Help required on DBRC parameter
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Hi,
We are running a program in the TEST in the DLI mode where it takes the DBRC=N. The program is running fine.

But when we run in LIVE, the DBRC parameter is getting substituted with value of "Y" and the program is failing with return code of U0073.

Explanation: An insufficient number of valid log data sets exists at
online initialization or restart time. IMS online requires at least 3
online log data sets (OLDS) and 1 write-ahead log data set (WADS).

My question is, will the program work if we override the DBRC parameter by "N"?

Also, what exactly does a DBRC parameter does. Please guide me!
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Anuj Dhawan

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Joined: 22 Apr 2006
Posts: 6258
Location: Mumbai, India

PostPosted: Thu Apr 09, 2009 12:57 pm    Post subject:
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Hi,

Please have a look at the IMS Installation Guide Volume 2: System Definition and Tailering. You can use the following link to get there -

http://publib.boulder.ibm.com/infocenter/dzichelp/v2r2/index.jsp

Look for the procedure descriptions, e.g. IMSBATCH is the name for the BMP. Right after the sample JCL in section IMSBATCH Procedure Parameters is a list of all applicable DFSRRC00 symbols for this execution environment, for which the meaning can be looked up in section Parameter Description in the same book.

This applies to IMS V9 or earlier.
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10254
Location: italy

PostPosted: Thu Apr 09, 2009 1:46 pm    Post subject: Reply to: Help required on DBRC parameter
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the best approach would be to work with Your DB support..

we know very little about Your setup, any advice might be wrong

DBRC - Data Base Recovery Control
is a sophisticated environment to keep track of a database status from a recovery point of view
( image copies, logs, .... )

its setup is completely installation dependent

as far as an application program is concerned, well it is not !,
all the DBRC processing takes place at/before program invokation and after program termination
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