# Dataset Attributes Extent Summary

This group of attributes provides data on the Top N largest data sets in terms of total number of extents. You define the value of n in the Dataset Attributes Data Collection dialog box. See Dataset Attributes Database for more information.

Address: Address of detail information in the data space of the data set.

ALET: ALET (Address List Entry Token) of information in the data space of the data set.

Allocated GB: Allocated GB for the data set.

Allocated MB: Allocated MB for the data set.

Allocated Tracks: Allocated tracks for the data set.

Dataset Name: The name of the data set.

DSORG: The data set organization.

Extents: The number of extents.

Managed System: An internal node name used to identify the system from which this row of data was obtained.

Timestamp: The time that the row was created.

Unused GB: Unused GB for the data set.

Unused MB: Unused MB for the data set.

Unused Tracks: Unused tracks for the data set.

Used GB: Used GB for the data set.

Used MB: Used MB for the data set.

Used Tracks: Used tracks for the data set.

Volser: The VOLSER on which the data set is located.