Three-Network Topology - HP Cluster Platform Introduction v2010 Installation Manual

Connection to the server management interface, a dedicated hardware interface that listens
5
for, and executes commands received through the Ethernet network. This card is also known
as the management processor (MP), or integrated lights-out (iLO) card, depending on the
model of server. Where supported by the operating environment, this connection is used
for server hardware management functions, such as power-off or boot.
NIC dedicated to the Message Passing Interface (MPI)
6
Compute nodes
7
Common Gigabit Ethernet network, used both for MPI traffic, and for in-band job
8
management, and cluster administrative functions
Gigabit Ethernet switch, used as the system interconnect
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Figure 2-7 shows a topology based on a dedicated MPI fabric. This might be built around Gigabit
Ethernet or InfiniBand. A second Ethernet network provides routing for cluster administrative,
and job management traffic. A third network is provided through the site LAN connection.
Figure 2-7 Three-Network Topology
The following cluster features are shown in
Site LAN connection
1
LAN network, connected to a network interface card (NIC) installed (or embedded) in
2
the head node
The server designated as the head node (control node in HP Cluster Platform terminology)
3
NIC dedicated to the LAN network
4
NIC connected to a dedicated Gigabit Ethernet MPI network, if present
5
Connection to the server management interface, a dedicated hardware interface that listens
6
for, and executes commands received through the Ethernet network. This card is also
known as the management processor (MP), or integrated lights-out (iLO) card, depending
on the model of server. Where supported by the operating environment, this connection
is used for server hardware management functions, such as power-off or boot.
NIC connected to a shared Gigabit Ethernet MPI network, if present
7
Host Channel Adapter (HCA) card, connected to an InfiniBand MPI network, if present
8
Compute nodes
9
Ethernet network for cluster administration
10
Gigabit Ethernet MPI network, if present
11
16 Supported Configurations
Figure 2-7: