Add MXRDMA

MXRDMA.md

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+# MXRDMA
+
+### 环境准备
+
+#### 准备OFED 环境
+
+*   下载doca-ofed 
+
+    [NVIDIA DOCA 3.2.1 LTS 下载 | NVIDIA 开发者](https://developer.nvidia.cn/doca-3-2-1-download-archive?deployment_platform=Host-Server\&deployment_package=DOCA-Host\&target_os=Linux&%E6%9E%B6%E6%9E%84=x86_64&%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6=doca-ofed&%E5%8F%91%E8%A1%8C%E7%89%88=Ubuntu\&version=20.04\&installer_type=deb_local)
+
+
+*   安装doca-ofed
+    ```shell
+    sudo dpkg -i doca-host_***.deb
+    sudo apt update
+    sudo apt install doca-ofed -y
+    sudo rmmod metax_rdma metax
+    sudo /etc/init.d/openibd restart # 建议在BMC中执行此命令
+    sudo update-initramfs -u -k all # 重新生成initramfs
+    ```
+
+### 适配 Centos、Kylin 系统
+
+*   **配置YUM源**
+
+    ```shell
+   cat <<EOF> /etc/yum.repos.d/maca-rdma-rpm.repo 
+   [maca-rdma]
+   name=Maca Rdma Yum Repository
+   baseurl=https://repos.metax-tech.com/r/maca-rdma-rpm-$(uname -m)/
+   enabled=1
+   gpgcheck=0
+   EOF
+   
+   yum makecache
+    ```
+
+#### 安装MXRDMA
+
+*   **安装mxrdma最新版本**
+
+    ```shell
+    yum install mxrdma
+    ```
+*   **卸载mxrdma**
+
+    ```shell
+    yum autoremove mxrdma
+    ```
+
+### 适配 Ubuntu 系统
+
+*   **配置APT源**
+
+    ```shell
+   curl -fsSL https://repos.metax-tech.com/public.gpg.key | apt-key add -
+   echo "deb [arch=$(dpkg --print-architecture)] https://repos.metax-tech.com/r/maca-rdma-deb/ stable main" | tee /etc/apt/sources.list.d/maca-rdma-deb.list
+   apt-get update
+    ```
+
+#### 安装MXRDMA
+
+*   **安装mxrdma最新版本**
+
+    ```shell
+    apt install mxrdma
+    ```
+*   **卸载mxrdma**
+
+    ```shell
+    apt autoremove mxrdma
+    ```
+