ABCs of z/OS System Programming Volume 3 - IBM Redbooks

1.5 DFSMSrmm component
DFSMSdmm provides the following functions:
Library management
Shelf management
Volume management
Data set management
Figure 1-5 DFSMSrmm functions
DFSMSrmm component
DFSMSrmm manages your removable media resources, including tape cartridges and reels.
It provides the following functions.
Library management
You can create tape libraries, or collections of tape media associated with tape drives, to
balance the work of your tape drives and help the operators that use them.
DFSMSrmm can manage the following devices:
► A removable media library, which incorporates all other libraries, such as:
– System-managed manual tape libraries.
– System-managed automated tape libraries. Examples of automated tape libraries
include:
IBM TotalStorage®
Enterprise Automated Tape Library (3494)
IBM TotalStorage Virtual Tape Servers (VTS)
► Non-system-managed or traditional tape libraries, including automated libraries such as a
library under Basic Tape Library Support (BTLS) control.
Chapter 1. DFSMS introduction 9