Mount the Hardware in a RackDell Compellent 45Mount the Hardware in a RackDell Compellent recommends mounting the hardware in a rack to ensure rack safety andto allow for expansion.2U and 3U EnclosuresInstall 2U and 3U enclosures in the rack to allow for expansion and so that the rack doesnot become top‐heavy. This can be accomplished in one of two configurations. Install the controllers on the bottom of the rack and the enclosures above the controllers. Install the controllers in the middle of the rack and the enclosures above and below thecontrollers.Steps1 Mount the controller(s) in a rack. See the instructions included with the rail kit fordetailed steps.2 Mount the enclosure(s) in the rack. See the instructions included with the rail kit fordetailed steps.Figure 42. Recommended Mounting Order — 2U and 3U Enclosures1 Controllers2 Enclosures12