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Tech Tips: Which Elib format is best for you? 

12-03-2015 07:45 AM

Studies have shown BDAM Elibs to be more efficient and provide better performance than VSAM Elibs. However, IBM does not allow BDAM files to span volumes.

Therefore, if you can keep your file(s) to a single volume, use BDAM; otherwise use VSAM for multi-volume files.

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12-03-2015 07:59 AM

Hi Ollivier,

 

With the capcity of a model 36 DASD volume, single volume datasets is less an issue but I don't think that BDAM can be SMS managed, so some storage administrators can be tough to convince on this access method.

 

Stuart

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