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HP Fabric Clustering System
Product Overview
HP Fabric Clustering System
The information in this document is for the HP Fabric Clustering System Version 1.0 only.
Product Overview
HP’s Fabric Clustering System for InfiniBand provides a high-performance computing environment intended
for use for applications sensitive to latency, bandwidth, and CPU-consumption.
InfiniBand is an RDMA-interconnect. Remote Direct Memory Access (RDMA) technology allows cooperating
endnodes to expose their local memory buffers for direct data placement by peer endnodes (including loop
back operation) over reliable communication fabrics (fabrics may be internal, e.g. an endnode backplane, or
external, e.g. an I/O attached device / fabric). RDMA technology reduces the performance constraints imposed
by memory subsystem bottlenecks on networked computing systems.
Readers are advised also to consult the InfiniBand specifications found at http://www.infinibandta.org for
more information on the technology.
HP Fabric Clustering System Hardware
Host Channel Adapter
The HP PCI-X 2-port 4X Fabric (HPC) Adapter is the component in an end node that connects to the HP
Fabric Clustering System. An HCA is required in each server participating in the cluster.
Switch
The HP Fabric Clustering System switch provides interconnection between components in the HP Fabric
Clustering System. The Switch automatically recognizes HP Fabric Clustering System servers when they are
connected to the fabric. The switch can be left un-managed, or can be used for management and
troubleshooting of the fabric.
Cables
Connecting components in an HP Fabric Clustering System is achieved by using cables designed for the
fabric.
Software
The HP Fabric Clustering System suite software provides a set of upper-layer protocol including IPoIB and
MPI, as well as firmware on adapters and switches. The IPoIB driver allows the IP applications to utilize the
InfiniBand fabric, and is configured like a normal Ethernet interface. As part of boot up, IPoIB Interfaces are
automatically added to the network configuration. These correspond to the ports on the HCA. The MPI driver
is supported as a standard implementation, and available as a separate product from HP.
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