Dell EMC PowerVault MD3400 and MD3420 Series Storage Arrays Deployment Guide

The following figures show two and four hosts, each connected to only one RAID controller module. The hosts can share storage space but without redundant paths, if one path fails, the server on that path would be disconnected from the storage array.

Figure 1. One host connected to a single RAID controller

Figure 2. Two hosts connected to a single RAID controller using two HBAs

Figure 3. Two hosts connected to a single RAID controller using one HBA

Figure 4. Four hosts connected to a single RAID controller