# Symmetrix Director Summary

The Symmetrix Director Summary attributes provide overview information about the directors in an EMC Symmetrix storage facility.

Director ID: The ID of the disk director managing these devices.

Director Index: The ID of the disk director managing these devices.

Disk IDX: The ID of the physical disk on which the logical devices are located.

Logical Volume Count: The number of logical volumes located on the physical drive.

MANAGED SYSTEM: The SMS name of this system.

SCSI Interface: The ID of the physical disk on which the logical devices are located.

Serial Number Index: The eight low order characters of serial number which serve as the control unit index.

SSID Index: The subsystem ID of the Symmetrix control unit that is controlling this device. To view the disk interfaces of a director controlled by another Symmetrix control unit, enter the four-character subsystem ID in this field to identify the control unit.

Subsystem ID: The subsystem ID of this Symmetrix disk director.

Time Stamp: Displays the date and time this data was collected from the virtual tape server (VTS).