A

Configuring Drivers and Services OpenFabrics Drivers and Services Configuration and Startup

The output of the ping command will be similar to the following, with a line for each host already configured and connected:

WARNING: pinging broadcast address

PING 10.1.17.255 (10.1.17.255) 517(84) bytes of data.

174 bytes from 10.1.17.3: icmp_seq=0 ttl=174 time=0.022 ms

64bytes from 10.1.17.1: icmp_seq=0 ttl=64 time=0.070 ms (DUP!)

64bytes from 10.1.17.7: icmp_seq=0 ttl=64 time=0.073 ms (DUP!)

The IPoIB network interface is now configured.

4.Restart (as root) by typing:

# /etc/init.d/openibd restart

NOTE:

„The configuration must be repeated each time the system is rebooted.

„IPoIB-CM (Connected Mode) is enabled by default. The setting in

/etc/infiniband/openib.conf is SET IPOIB_CM=yes. To use datagram mode use SET IPOIB CM=no.

OpenSM

OpenSM is an optional component of the OpenFabrics project that provides a

subnet manager for InfiniBand networks. This package can be installed on all machines, but only needs to be enabled on the machine in the cluster that will act as a subnet manager. You do not need to use OpenSM if any of your InfiniBand switches provide a subnet manager, or if you are running a host-based SM.

If you are using the Installer tool, you can set the OpenSM default behavior at the time of installation.

If you are using the rpm install method, note that after installing the opensm package, OpenSM is configured to be off after the next machine reboot. It only needs to be enabled on the node that acts as the subnet manager, so use the chkconfig command (as root) to enable it on the node where it is to run:

#chkconfig opensmd on

The command to disable it on reboot is:

#chkconfig opensmd off

You can start opensmd without rebooting your machine by typing:

# /etc/init.d/opensmd start

IB0056101-00 G.02

Preliminary

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