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Cabling Your Cluster Hardware 21
Figure 2-4. Direct-Attached Cluster Configuration
Each cluster node attaches to the storage system using two multi-mode
optical cables with LC connectors that attach to the HBA ports in the cluster
nodes and the storage processor (SP) ports in the Dell/EMC storage system.
These connectors consist of two individual Fibre optic connectors with
indexed tabs that must be aligned properly into the HBA ports and SP ports.
WARNING: Do not remove the connector covers until you are ready to insert the
connectors into the HBA port, SP port, or tape library port.
NOTE: The connections listed in this section are representative of one proven
method of ensuring redundancy in the connections between the cluster nodes and
the storage system. Other methods that achieve the same type of redundant
connectivity may be acceptable.
Cabling a Two-Node Cluster to an AX4-5F Storage System
1
Connect cluster node 1 to the storage system.
a
Install a cable from cluster node 1 HBA port 0 to SP-A
Fibre port 0
(first fibre port)
.
b
Install a cable from cluster node 1 HBA port 1 to SP-B
Fibre port 0
(first fibre port)
.
2
Connect cluster node 2 to the storage system.
public network
storage system
private network
cluster node
cluster node
Fibre Channel
Connections
Fibre Channel
Connections