Figure 1-1. Direct-Attached, Single-Cluster Configuration
cluster node
Fibre Channel
connections
NOTE:
The configuration can have up to 4 nodes. The nodes can be:
One cluster (up to 4 nodes)
•
Two two-node clusters
•
One cluster and stand-alone server(s)
•
SAN-Attached Cluster
In a SAN-attached cluster, all nodes are attached to a single storage system or
to multiple storage systems through a SAN using redundant switch fabrics.
SAN-attached clusters are superior to direct-attached clusters in
configuration flexibility, expandability, and performance.
Figure 1-2 shows a SAN-attached cluster.
public network
private network
storage system
cluster node
Fibre Channel
connections
Introduction
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