操作场景

NVIDIA-Fabric Manager服务可以使多A100/A800显卡间通过NVSwitch互联。有关NVSwitch的更多介绍，请参见NVIDIA官网。

步骤一：安装NVIDIA-Fabric Manager

您可以通过安装包或者源码两种方式安装NVIDIA-Fabric Manager服务，下文以GPU驱动为470.57.02版本为例，为您介绍如何安装并启动NVIDIA-Fabric Manager服务。如需下载其它版本，请将命令中的版本号替换为相应的GPU驱动版本号。您可以执行nvidia-smi命令，查看GPU驱动版本。

方式一：通过安装包安装

• CentOS 8.x

  wget https://developer.download.nvidia.cn/compute/cuda/repos/rhel8/x86_64/nvidia-fabric-manager-470.57.02-1.x86_64.rpm
  rpm -ivh nvidia-fabric-manager-470.57.02-1.x86_64.rpm
  

• CentOS 7.x

  wget https://developer.download.nvidia.cn/compute/cuda/repos/rhel7/x86_64/nvidia-fabric-manager-470.57.02-1.x86_64.rpm
  rpm -ivh nvidia-fabric-manager-470.57.02-1.x86_64.rpm
  

• Ubuntu 20.04

  wget https://developer.download.nvidia.cn/compute/cuda/repos/ubuntu2004/x86_64/nvidia-fabricmanager-470_470.57.02-1_amd64.deb
  dpkg -i nvidia-fabricmanager-470_470.57.02-1_amd64.deb
  

• Ubuntu 18.04

  wget https://developer.download.nvidia.cn/compute/cuda/repos/ubuntu1804/x86_64/nvidia-fabricmanager-470_470.57.02-1_amd64.deb
  dpkg -i nvidia-fabricmanager-470_470.57.02-1_amd64.deb
  

• Debain 10、veLinux 1.0

  wget https://developer.download.nvidia.cn/compute/cuda/repos/debian10/x86_64/nvidia-fabricmanager-470_470.57.02-1_amd64.deb
  dpkg -i nvidia-fabricmanager-470_470.57.02-1_amd64.deb
  

方式二：通过源安装

• CentOS 8.x

  dnf config-manager --add-repo http://developer.download.nvidia.com/compute/cuda/repos/rhel8/x86_64/cuda-rhel8.repo
  dnf module enable -y nvidia-driver:470
  dnf install -y nvidia-fabric-manager-0:470.57.02-1
  

• CentOS 7.x

  yum -y install yum-utils 
  yum-config-manager --add-repo https://developer.download.nvidia.cn/compute/cuda/repos/rhel7/x86_64/cuda-rhel7.repo
  yum install -y nvidia-fabric-manager-470.57.02-1
  

• Ubuntu 20.04

  wget https://developer.download.nvidia.cn/compute/cuda/repos/ubuntu2004/x86_64/cuda-ubuntu2004.pin
  mv cuda-ubuntu2004.pin /etc/apt/preferences.d/cuda-repository-pin-600
  wget https://developer.download.nvidia.cn/compute/cuda/repos/ubuntu2004/x86_64/7fa2af80.pub
  apt-key add 7fa2af80.pub
  rm 7fa2af80.pub
  echo "deb http://developer.download.nvidia.cn/compute/cuda/repos/ubuntu2004/x86_64 /" | tee /etc/apt/sources.list.d/cuda.list
  apt-get update
  apt-get -y install nvidia-fabricmanager-470=470.57.02-1
  

• Ubuntu 18.04

  wget https://developer.download.nvidia.cn/compute/cuda/repos/ubuntu1804/x86_64/cuda-ubuntu1804.pin
  mv cuda-ubuntu1804.pin /etc/apt/preferences.d/cuda-repository-pin-600
  wget https://developer.download.nvidia.cn/compute/cuda/repos/ubuntu1804/x86_64/7fa2af80.pub
  apt-key add 7fa2af80.pub
  rm 7fa2af80.pub
  echo "deb http://developer.download.nvidia.cn/compute/cuda/repos/ubuntu1804/x86_64 /" | tee /etc/apt/sources.list.d/cuda.list
  apt-get update
  apt-get -y install nvidia-fabricmanager-470=470.57.02-1
  

步骤二：安装Nvidia-Fabric-Manager-devel

• CentOS 7.x/8.x
  yum install nvidia-fabric-manager-devel-470.57.02-1 -y

• Ubuntu 20.04/18.04、Debain 10、veLinux 1.0
  dpkg -i nvidia-fabric-manager-devel-470.57.02-1_amd64.deb

步骤三：启动NVIDIA-Fabric Manager

1. 执行如下命令启动Fabric Manager服务。
   sudo systemctl start nvidia-fabricmanager

2. 执行如下命令查看Fabric Manager服务是否正常启动，回显active（running）表示启动成功。
   sudo systemctl status nvidia-fabricmanager

3. 执行如下命令配置Fabric Manager服务随实例开机自启动。
   sudo systemctl enable nvidia-fabricmanager