HP Cluster Platform Introduction v2010 HP Cluster Platform Workgroup System To - Page 16

HP GbE2c Ethernet Blade Switch and the Optional InfiniBand Network

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Note: Control and compute nodes must belong to the same processor family. For example, control nodes that use AMD Opteron processors must be used if you are using the ProLiant BL465c as the compute node. • Networks: The networks included in a Workgroup System Tower configuration are: - Administrative network: An administrative network eases cluster administration and management functions, such as managing a user's applications. - Console network: The console network enables the use of node-specific commands such as power one. Each compute node embedded Integrated Lights-Out (iLO) port is connected to the Fast Ethernet-based console network. Note: The administrative HP GbE2c Gigabit Ethernet switch is integrated in the Workgroup System Tower. Access to the console network is provided by the iLO port on the Onboard Administrator (OA). - Optional InfiniBand interconnect network: An optional InfiniBand interconnect high-performance network is dedicated to supporting inter nodal application traffic (such as MPI communication) and you can also select file transfer. In the absence of an InfiniBand interconnect, this traffic is transmitted over the gigabit Ethernet network (Administrative network). • Optical media device: Access to a DVD drive is required for software installation. The Workgroup System Tower has a DVD drive installed. For more information about hardware and software used in HP Cluster Platform and throughout the Unified Cluster Portfolio, go to: http://h20311.www2.hp.com/HPC/cache/276360-0-0-0-121.html 1.2.1 HP GbE2c Ethernet Blade Switch and the Optional InfiniBand Network Your Workgroup System Tower includes the HP GbE2c Ethernet switch and might also include an optional InfiniBand high-speed network. Section 1.2.1.1 describes the HP GbE2c Ethernet Blade Switch, and Section 1.2.1.2 describes the 4X DDR InfiniBand Interconnect module used for the optional InfiniBand network. 1.2.1.1 HP GbE2c Ethernet Switch The HP GbE2c Ethernet switch, which is also documented in the HP Cluster Platform Gigabit Ethernet Interconnect Guide, is used for administrative and console networking in Workgroup System Tower solutions. You can also use this network for Message Passing Interface (MPI) applications. Cluster management on server blade configurations is supported over an administration network with both console and operating-system level management branches. These branches share a physical switch that can be separated using VLANs, if required. In the Workgroup System Tower, one server blade in the configuration is designated as the control node and can be configured separately from the others in the cluster. All of the other server blades in the Workgroup System Tower must be configured identically and the processor subsystems must be identical. Also, all of the server blade processors must be of the same type and frequency and must have the same memory configuration. By default, Workgroup System Tower configurations are available with the gigabit Ethernet interconnect using the HP GbE2c Ethernet Blade switch. 16 Cluster Platform Workgroup System Tower Overview

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Note:
Control and compute nodes must belong to the same processor family. For example, control
nodes that use AMD Opteron processors must be used if you are using the ProLiant BL465c
as the compute node.
•
Networks:
The networks included in a Workgroup System Tower configuration are:
—
Administrative network
: An administrative network eases cluster administration and
management functions, such as managing a user's applications.
—
Console network
: The console network enables the use of node-specific commands such
as
power one
. Each compute node embedded Integrated Lights-Out (iLO) port is
connected to the Fast Ethernet-based console network.
Note:
The administrative HP GbE2c Gigabit Ethernet switch is integrated in the Workgroup
System Tower. Access to the console network is provided by the iLO port on the Onboard
Administrator (OA).
—
Optional InfiniBand interconnect network
: An optional InfiniBand interconnect
high-performance network is dedicated to supporting inter nodal application traffic
(such as MPI communication) and you can also select file transfer. In the absence of an
InfiniBand interconnect, this traffic is transmitted over the gigabit Ethernet network
(Administrative network).
•
Optical media device:
Access to a DVD drive is required for software installation. The
Workgroup System Tower has a DVD drive installed.
For more information about hardware and software used in HP Cluster Platform and throughout
the Unified Cluster Portfolio, go to:
1.2.1 HP GbE2c Ethernet Blade Switch and the Optional InfiniBand Network
Your Workgroup System Tower includes the HP GbE2c Ethernet switch and might also include
an optional InfiniBand high-speed network.
Section 1.2.1.1
describes the HP GbE2c Ethernet
Blade Switch, and
Section 1.2.1.2
describes the 4X DDR InfiniBand Interconnect module used for
the optional InfiniBand network.
1.2.1.1 HP GbE2c Ethernet Switch
The HP GbE2c Ethernet switch, which is also documented in the
HP Cluster Platform Gigabit
Ethernet Interconnect Guide
, is used for administrative and console networking in Workgroup
System Tower solutions. You can also use this network for Message Passing Interface (MPI)
applications.
Cluster management on server blade configurations is supported over an administration network
with both console and operating-system level management branches. These branches share a
physical switch that can be separated using VLANs, if required. In the Workgroup System Tower,
one server blade in the configuration is designated as the control node and can be configured
separately from the others in the cluster. All of the other server blades in the Workgroup System
Tower must be configured identically and the processor subsystems must be identical. Also, all
of the server blade processors must be of the same type and frequency and must have the same
memory configuration.
By default, Workgroup System Tower configurations are available with the gigabit Ethernet
interconnect using the HP GbE2c Ethernet Blade switch.
16
Cluster Platform Workgroup System Tower Overview