How vsam datasets are cataloged?

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Huzefa T

  • Jun 24th, 2006
 

When you allocate the vsam cluster at that time you have the option to catlog the dataset using the idcam utility. Apart from this tools like file aid also gives you an option to catalog a vsam dataset.

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HUZEFA T

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dhs01

  • Apr 15th, 2009
 

Are you sure? I didn't think you could create a VSAM data set without catalog entries because on the DASD VTOC when it is listed as VS, there are limited DSCB entries. I think that if you are creating a catalog entry for a VSAM data set, you must be importing it. 
To create a VSAM data set, the only way I am aware of is through IDCAMS which would be associated with some catalog. (Won't swear to all of the above but would be willing to wager a drink on it...)   

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Jaypreeth

  • May 1st, 2011
 

All VSAM datasets are SMS managed. SMS managed datasets are cataloged. So while creating a vsam dataset using the IDCAMS utility the dataset is  cataloged.

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