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virtual-machines-common-ubuntu-rdma.md

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author ms.service ms.topic ms.date ms.author
cynthn
virtual-machines
include
10/26/2018
cynthn
  1. Install dapl, rdmacm, ibverbs, and mlx4
sudo apt-get update

sudo apt-get install libdapl2 libmlx4-1
  1. In /etc/waagent.conf, enable RDMA by uncommenting the following configuration lines. You need root access to edit this file.
OS.EnableRDMA=y

OS.UpdateRdmaDriver=y
  1. Add or change the following memory settings in KB in the /etc/security/limits.conf file. You need root access to edit this file. For testing purposes you can set memlock to unlimited. For example: <User or group name> hard memlock unlimited.
<User or group name> hard    memlock <memory required for your application in KB>

<User or group name> soft    memlock <memory required for your application in KB>
  1. Install Intel MPI Library. Either purchase and download the library from Intel or download the free evaluation version.
wget http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/9278/l_mpi_p_5.1.3.223.tgz

Only Intel MPI 5.x runtimes are supported.

For installation steps, see the Intel MPI Library Installation Guide.

  1. Enable ptrace for non-root non-debugger processes (needed for the most recent versions of Intel MPI).
echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope