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Retaining data sets in closed-cycle GDGs z/OS DFSMSrmm Managing and Using Removable Media SC23-6873-00 |
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A closed-cycle GDG is a set of data sets that uses the volumes from the oldest generation each time that a new generation is created. Closed-cycle GDGs are commonly used in installations where a scratch pool of volumes has not been established or where no tape management system exists. |
Copyright IBM Corporation 1990, 2014
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