
Chapter 1. Introduction 23
1.1.6 Volume management
DFSMSrmm manages volumes based on the volume type, volume status, and
the volume media.
Types of volumes
DFSMSrmm provides support for physical, logical, and stacked volumes (see
Figure 1-15).
Figure 1-15 Stacked, logical, and physical volumes
Physical volumes
DFSMSrmm provides support for all types of physical volumes, tracking their
use and the data they contain, and providing vaulting and retention services
according to policies assigned to the data sets on the volumes.
Logical volumes
These reside in a Virtual Tape Server (VTS) or on exported stacked volumes.
DFSMSrmm tracks the use of logic ...