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Dell PowerVault ME4 Series Storage System Deployment Guide

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Dual-controller module configurations – switch-attached

A switch-attached solution—or SAN—places a switch between the servers and the controller enclosures within the storage system. Using switches, a SAN shares a storage system among multiple servers, reducing the number of storage systems required for a particular environment. Using switches increases the number of servers that can be connected to the storage system.

NOTE:About switch-attached configurations:
  • See the recommended switch-attached examples for host connection in the Setting Up Your Dell PowerVault ME4 Series Storage System document that is provided with your controller enclosure.
  • See Figure 1 for an example showing host port and controller port addressing on an IPv4 network.
Figure 1. Connecting hosts: ME4 Series 2U switch-attached – two servers, two switches
2U switch attach – two servers, two switches
  1. Server 1
  2. Server 2
  3. Switch A
  4. Switch B
  5. Controller module A
  6. Controller module B
Figure 2. Connecting hosts: ME4 Series 5U switch-attached – two servers, two switches
5U switch attach – two servers, two switches
  1. Server 1
  2. Server 2
  3. Switch A
  4. Switch B
  5. Controller module A
  6. Controller module B

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