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Administrator's Guide


Chapter 8. Defining Device Classes

A device class represents a device type that can be used by Tivoli Storage Manager. The server uses device class definitions to determine which types of devices and volumes to use to:

One device class can be associated with multiple storage pools, but each storage pool is associated with only one device class.

For random access storage, TSM supports only the DISK device class, which is defined by TSM. However, you can define many storage pools associated with the DISK device class.

See the following sections:

Tasks:
"Defining and Updating Device Classes for Tape Devices"
"Defining and Updating Device Classes for Generic Tape Devices"
"Defining and Updating Device Classes for Optical Devices"
"Defining and Updating Device Classes for Removable File System Devices"
"Defining and Updating FILE Device Classes"
"Defining and Updating SERVER Device Classes"
"Requesting Information about a Device Class"
"How TSM Fills Volumes"
"Deleting a Device Class"

In this chapter, most examples illustrate how to perform tasks by using a Tivoli Storage Manager command-line interface. For information about the commands, see Administrator's Reference, or issue the HELP command from the command line of a Tivoli Storage Manager administrative client.

Tivoli Storage Manager tasks can also be performed from the administrative Web interface. For more information about using the administrative interface, see Quick Start.


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