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Supported Cluster Configurations

The PowerEdge blade servers support both Fibre Channel and iSCSI cluster

configurations using either Fibre Channel mezzanine cards or Gigabit

Ethernet mezzanine cards to connect to the corresponding shared storage

system in either direct-attached or network-attached environments.

Direct-Attached Cluster

In a direct-attached cluster, the cluster nodes are directly attached to a single

storage system. The HBAs (mezzanine cards/daughter cards) in the nodes are

internally connected to the pass-through modules. The pass-through modules

are connected by cables directly to the RAID controllers (or storage

processors) on the storage system.

Figure 1-3 shows the logical components of a direct-attached cluster

configuration.

Figure 1-3. Direct-Attached Cluster

cluster node

Introduction

public network

private network

chassis connections

pass-through module

storage system

cluster node