Data set (IBM mainframe): Difference between revisions

Revision as of 05:32, 5 May 2005

Revision as of 18:37, 13 October 2005

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For example, a '''PDS''' or '''Partitioned Data Set''' is a dataset containining multiple ''members'', each of which holds a separate sub-data set, similar to a [[directory]] in other types of [[file system]].

Since MVS/XA there is also the Partitioned DATA set Extended (PDSE). Here the data in 4K become - blocks administered and free the place become when the deletion Members can be used without Compress immediately. The directory size is completely variable. The introduction of PDSE runs very slowly, there until recently integrity problems existed.