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Test Restart logic for a checkpoint restart IMS-DB program

 
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anshul_gugnani

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Joined: 02 Nov 2009
Posts: 73
Location: Mumbai

PostPosted: Thu Jul 15, 2010 2:21 pm    Post subject: Test Restart logic for a checkpoint restart IMS-DB program
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Hi,

It is first time I am testing checkpoint restart IMS-DB program.

Could anyone tell me what are the ways to test restart logic for a chekpoint restart IMS-DB program.

I mean other than cancelling the job how can I make my program abend and then test the restart logic. Please help.

Thanks,
Anshul.
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Anuj Dhawan

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

PostPosted: Thu Jul 15, 2010 3:48 pm    Post subject:
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One way is to run it through the xpeditor and then change the "values of variables" there, while the "xpeditor is executing your program". Change the value of varibale to some value which will make it to abend.

Other way is, create a test data of such a nature which will ensure an abend - make sure that data is constructed such a way that you get at least one chcek-point.

Also, check-point logics are specific to shops and for an analyst programer the main concern is "check-point frequency". Usually, there are "screens" to alter these frequencies in "test-region" - so if you are working with small-set of test data, you might like to alter the check-point frequency in order to test the logic.
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dick scherrer

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Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Thu Jul 15, 2010 8:36 pm    Post subject:
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Hello,

Quote:
Could anyone tell me what are the ways to test restart logic for a chekpoint restart IMS-DB program.
Not really. . . Systems that support/allow checkpoint-restart have a standard process in plsce. Each developer should not create their own.

As Anuj mentioned, there are many ways to force an abend.
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