Dell PowerVault ME4 Series Storage System Deployment Guide

Planning for installation

Before beginning the enclosure installation, familiarize yourself with the system configuration requirements.

Table 1. System configuration
Module type	Location	Description
Drive carrier modules	2U front panel	All drive slots must hold either a drive carrier or blank drive carrier module. Empty slots are not allowed. At least one disk must be installed.
DDIC	5U front panel drawers	Maximum 84 disks are installed (42 disks per drawer). Minimum 28 disks are required. Follow the drawer population rules in Populating drawers with DDICs.
Power cooling modules	2U rear panel	Two PCMs provide full power redundancy, allowing the system to continue to operate while a faulty PCM is replaced.
Power supply unit modules	5U rear panel	Two PSUs provide full power redundancy, allowing the system to continue to operate while a faulty PSU is replaced.
Fan cooling modules	5U rear panel	Five FCMs provide airflow circulation, maintaining all system components below the maximum temperature allowed.
Controller modules and IOMs	Rear panel	One or two controller modules may be installed in 2U12 and 2U24 enclosures. Two controller modules must be installed in 5U84 enclosures. Two IOMs must be installed in 2U12, 2U24, and 5U84 enclosures.