HP 1032 Manual page 171

Cluster LAN/Switch
A Cluster LAN/Switch is usually an Ethernet network used to monitor and control all the
major system components. May also handle traffic to the file server.
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Cluster Management Software
The Cluster Management Software is the ClusterPack for system administrators and end-
users.
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Guarded Cluster
A cluster where only the Management Server has a network connection to nodes outside of
the cluster. All of the Compute Nodes are connected within the cluster on a private subnet
(i.e. IP addresses of 10.*.*.* or 198.162.*.*).
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Head Node
A Head Node provides user access to the cluster. In smaller clusters, the Management
Server may also serve as a Head Node.
References:
Management Server
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