77885: The Other Part of SMS - IGDSMSxx

You know about the SMS constructs - data class, storage class, and so on. You know about the ACS routines. But there's another, lesser-known component of the storage management system that can profoundly influence the characteristics of datasets the selection of volumes, and much more. In this session we'll discuss the SYS1.PARMLIB member that controls DFSMS, the most important of its more than 50 parameters, and the methods and consequences of changes to this critical control dataset.