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32 Cabling Your Blade Cluster Hardware

Network-Attached Cluster

A network-attached cluster is a cluster configuration where all cluster nodes

are attached to a single storage system or to multiple storage systems through

a network using a redundant switch fabric. Network-attached cluster

configurations provide flexibility, expandability, and performance with either

iSCSI or Fibre Channel storage arrays.

Network-Attached Cluster Configured With an Internal Fabric

An internal fabric incorporates switch modules that do not connect to

external switches. Each server module I/O port is internally connected to a

port on a switch module.

Cabling One PowerEdge Server Enclosure to One Storage System

Figure 2-3 and Figure 2-5 show examples of cabling a PowerEdge M1000e

server enclosure to Dell/EMC CX3-20 and Dell EqualLogic PS6010 storage

arrays. Similar cabling methods can be used for other Dell PowerVault, Dell

EqualLogic, and Dell/EMC storage arrays.

To cable one PowerEdge server enclosure to Dell/EMC CX3-20 storage

system:

Connect a cable from Fibre Channel switch module 1 to SP-A fibre port 0

(first fibre port).

Connect a cable from Fibre Channel switch module 1 to SP-B fibre port 1

(second fibre port).

Connect a cable from Fibre Channel switch module 2 to SP-A fibre port 1

(second fibre port).

Connect a cable from Fibre Channel switch module 2 to SP-B fibre port 0

(first fibre port).

Figure 2-3 shows how to cable a PowerEdge M1000e sever enclosure to the

CX3-20 storage system. The server module’s dual-port Fibre Channel

daughter card and Fibre Channel switch modules are connected internally in

the system chassis.

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