Debian 7 Infiniband

Administración del SC3

Infiniband configuration in Debian 7

Install the required software

apt-get -y install infiniband-diags ibutils libmthca ibverbs-utils libibumad libibmad libibverbs1 libmthca1 libmthca1-dbg libmthca-dev libopensm2 opensm

Load the kernel Modules

Load the proper linux modules. Edit the file /etc/modules and add the following lines

File: /etc/modules

            #tarjeta Mellanox MT26438
            mlx4_ib

            #IP over IB
            ib_ipoib

            # Protocol modules
            # Common modules
            rdma_ucm
            ib_umad
            ib_uverbs
            

Then, execute the following commands

modprobe mlx4_ib modprobe ib_ipoib modprobe rdma_ucm modprobe ib_umad modprobe ib_uverbs

Subnetting Daemon Configuration

find the available ports in the card.

ibstat -p

The output are the identifiers of the ports. Example:

0x78e7d10300244e95

Then, edit the file /etc/default/opensm

And change the following line

PORTS=ALL

Like this

PORTS="0x78e7d10300244e95"

Start The Subnetting Service

Start the opensm service

/etc/init.d/opensm start

Configure the Infiniband Interface

Edit the file /etc/network/interfaces and add the following lines

File: /etc/network/interfaces

            auto ib0
            iface ib0 inet static
            address 192.168.38.71
            netmask 255.255.255.0
            broadcast 192.168.38.255
            

Then, start the interface

ifup ib0

Test the interface using the following commands

ibstat ibhosts