On 2015-05-05 16:54, Dave Barry wrote: > Some third-party software in use here at UPS has used this technique for > years. The assumption is perfectly valid. > > Think about it: If an initiator allocates a migrated dataset specifically on > behalf of IEFBR14 -- which cannot even open it, much less use it -- just to > process a normal disposition of DELETE, why waste HSM resources and tie up > the initiator while waiting for the recall to complete? The O/S might just > as well schedule an HDELETE and be done with it. > Indeed. And if it's not migrated but (possibly) doesn't exist, why allocate DASD space and create an F1 DSCB only to immediately free the DSCB and free the space? The OS might just as well schedule an IDCAMS DELETE and be done with it.
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