SMS exploiting hardware enhancements
In this chapter, we look at features and function in z/OS V2.1 that take advantage of hardware functions and attributes in their implementation.
The following enhancements are described in this chapter:
10.1 Cluster and extent pool exploitation
Before DFSMS V2.1, volume selection will try to allocate or extend a multivolume data set in the same Storage Facility Image (SFI), when the storage class ...

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