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Cabling Your Cluster Hardware 23
Figure 2-7. Cabling a Two-Node Cluster to a CX4-960 Storage System
Cabling a Multi-Node Cluster to a Dell/EMC Storage System
You can configure a cluster with more than two nodes in a direct-attached
configuration using a Dell/EMC storage system, depending on the availability
of front-end fibre channel ports. The CX4-120 and CX4-240 storage systems
can support up to 6-node cluster, the CX4-480 storage system can support up
to 8-node cluster, and the CX4-960 can support up to 12-node cluster.
The following example explains how to cable a four-node cluster:
NOTE: The Dell/EMC storage system requires at least 4 front-end fibre channel
ports available on each storage processor.
NOTE: The following steps can be modified to add more clusters or standalone
systems.
1
Connect cluster node 1 to the storage system:
a
Install a cable from cluster node 1 HBA port 0 to the first front-end
fibre channel port on SP-A.
b
Install a cable from cluster node 1 HBA port 1 to the first front-end
fibre channel port on SP-B.
0123 0123
01230
0
1
1
23
01
cluster node 1
cluster node 2
01
10
HBA ports (2)
HBA ports (2)
CX4-960 storage system
SP-B
SP-A