What is the difference between primary and secondary
allocations for a dataset?
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Answer Posted / saroja kolli
Primary and the secondary allocations are the space
allocated for a particular dataset.
Primary indicates that the mian storage allcoated and for
the specified dataset the storage allocated primarily is
not sufficient then it will go for the secondary extents.
Secondary allocation will be usually 16 extents
Example:
Space=(cyl(5,10),rlse) is specified for any dataset then
the dataset will be allocated with the total storage of
5 + 16*10 = 165 cylinders.
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