# Dataset Attributes SMS Class Summary

This group of attributes provides a summary of the number of SMS-managed data sets encountered in each of the DFSMS Data, Storage and Management classes and Storage Groups defined on the system. See Dataset Attributes Database for more information.

Allocated GB: Total allocated GB represented by all of the data sets in the class.

Allocated MB: Total allocated MB represented by all of the data sets in the class.

Allocated Tracks: Total allocated tracks represented by all of the data sets in the class.

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

Number of Datasets: The number of data sets encountered in the indicated class.

Percent of Total Allocated: The percentage of total allocated space represented by data sets in the class.

Percent of Total Datasets: The percentage of total processed data sets represented by data sets in the class.

SMS Class: The name of the SMS class. A blank class indicates that there is no construct of this type defined for the data set. A class of Unknown indicates that the class name is not defined in the active DFSMS configuration.

Timestamp: The time that the row was created.

Type: The type of construct. The values are as follows: D (Data class); S (Storage class); M (Management class); G (Storage Group)

Unused GB: Total unused GB for all data sets in this class.

Unused MB: Total unused MB for all data sets in this class.

Unused Tracks: Total unused tracks for all data sets in the class.

Used GB: Total used GB for all data sets in this class.

Used MB: Total used MB for all data sets in this class.

Used Tracks: Total used tracks for all data sets in this class.