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Q
When the QHT7040 or QHT7140 adapter is installed with the riser card, it may
prevent some or all of the other PCI expansion slots from being used. This depends
upon the form factor of the adapter and motherboard.
Run i
path_control -i
The file
information. For more information,
in the InfiniPath Interconnect User Guide.
2.1.2
Cabling and Switches
InfiniPath utilizes standard, off-the-shelf InfiniBand cabling and 4X switches. The
InfiniPath interconnect is designed to work with all InfiniBand-compliant switches.
A standard InfiniBand copper cable up to a length of twenty meters is required.
section 2.6.1
Emcore is also supported.
There are two options for Subnet Management in your cluster:
Use the Subnet Manager on one or more managed switches supplied with your
■
Infiniband switches.
Use OpenSM component of OpenFabrics.
■
Cabling instructions are found in this Guide in
2.1.3
Software
Before installing the InfiniPath software, complete the hardware installation as
described in this chapter.
Verify that each machine in the cluster is running Linux kernel software from a
supported distribution.
See section 3.2
other software requirements.
2.1.4
Configuring the BIOS
A properly configured BIOS is required. The BIOS settings, which are stored in
non-volatile memory, contain certain parameters characterizing the system,. These
parameters may include date and time, configuration settings, and information
about the installed hardware.
There are currently two issues concerning BIOS settings that you need to be aware
of:
IB0056101-00 C
to see information on which form factor adapter is installed.
/sys/bus/pci/drivers/ib_ipath/00/boardversion
for more information. Optical fibre with optical adapters such as the
See section
for information on supported distributions, associated kernels and
Hardware Installation Requirements
see section C.9
in the Troubleshooting Appendix
2.6.2.
section
2.6.
2 – Hardware Installation
contains the same
See
2-3
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