User guide

4–18 Site preparation
Hitachi Unified Storage VM Block Module Hardware User Guide
• External data storage
If you plan to attach external storage to the HUS VM storage system, be
sure to include the appropriate power and space requirements in your
planning.
Data cabling
This section provides basic cabling diagrams for connecting ENC (data and
control) cables between the control chassis and the drive boxes in the block
module, and between the controller and HNAS storage in the file module.
Block module
The following diagram shows the cabling from the controller to the DBS
drive box (24 SFF drives).