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Cabling Your Blade Cluster Hardware 37

Cabling One PowerEdge Server Enclosure to Multiple Storage Systems

You can increase your cluster storage capacity by attaching two storage

systems to your cluster using a redundant switch fabric. PowerEdge cluster

systems can support configurations with two storage units attached to

clustered servers. In this scenario, the Microsoft

Cluster Services (MSCS)

software can fail over disk drives in any cluster-attached shared storage array

between the cluster nodes.

In Figure 2-6, a PowerEdge 1855/1955 server enclosure is connected to the

Dell/EMC iSCSI storage systems. The server and storage components in your

configuration may vary.

Figure 2-6. One PowerEdge 1855/1955 Server Enclosure Cabled to Two Storage Systems

1 Gigabit Ethernet switch module 1 2 Gigabit Ethernet switch module 2

SP-B

SP-A

SP-B

SP-A

storage system 1 SPs

PowerEdge system

storage system 2 SPs

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