# SMS Configuration

The SMS Configuration attributes provide information about the base SMS installation.

Default Management Class: The name of the default management class. Management class is an optional SMS construct containing attributes that determine migration, backup and retention objectives for data sets.

Default Track Size: The tracks-size component of the default device geometry. SMS uses default device geometry when placing data sets, so that the amount of space is consistent and most efficiently used no matter what device type is chosen. Default device geometry isolates the user from the actual physical devices.

Default Tracks per Cylinder: The tracks-per-cylinder component of the default device geometry. SMS uses default device geometry when placing data sets, so that the amount of space is consistent and most efficiently used no matter what device type is chosen. Default device geometry isolates the user from the actual physical devices.

Default Unit Type: The unit-type component of the default device geometry.

Last Update User ID: The ID of the user that performed the last update.

Last Updated: The date and time of the last update to a storage group within the SMS configuration.

Managed System: The SMS name of this system.

MVS™ Level: The version number associated with the MVS system in use.

SCDS Name: The name of the Source Control Dataset. A linear VSAM data set containing an SMS configuration.

SMS Level: The version number associated with the DFP Product in use.

SMS Status: The status of the SMS subsystem (active or inactive) on the local system.