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Azure Portal Deployment and Operations Guide with Switchless Networking
About using this guide Revision history Deployment Introduction Solution introduction Solution Deployment Deploy a cluster with Azure Stack HCI 23H2 operating system Update Azure Stack HCI clusters using SBE package GPU Integration
GPU Integration
Installing and configuring GPUs on AX platforms
AX-650 GPU configuration AX-750 GPU configuration AX-7525 GPU configuration AX-4520c GPU configuration GPU physical installation
GPU Discrete Device Assignment (DDA) on Azure Stack HCI
GPU partitioning
Host and guest driver download and install instructions
Registering a Partner Admin Link (PAL) for Azure related solutions Dell OpenManage Integration with Windows Admin Center Updates and maintenance Secure connect gateway References

GPU Discrete Device Assignment (DDA) on Azure Stack HCI

Home > Integrated Products > Microsoft HCI Solutions from Dell Technologies > Guides 23H2 and later > Azure Portal Deployment and Operations Guide with Switchless Networking > GPU Discrete Device Assignment (DDA) on Azure Stack HCI

GPU Discrete Device Assignment (DDA) on Azure Stack HCI

  • The Azure Stack HCI operating system servers have the capability for GPU enabled clustered VMs through the use of DDA on supported GPUs.

    For the list of supported GPUs see the latest version of the Support Matrix.

    Guest driver download and install instructions

    1. To download the drivers, go to https://nvid.nvidia.com/ and log in with your enterprise account.
    2. Click Nvidia licensing portal and select SOFTWARE DOWNLOADS.

      All the available software is listed for download.

    3. To locate Microsoft Azure stack HCI, apply filters PRODUCT FAMILY: VGPU and PLATFORM: Microsoft Azure Stack HCI.
    4. Always verify that the driver supports your GPU and intended usage. For more information, see Virtual GPU Software R 550 for Microsoft Azure Stack HCI Release Notes.

      The following output appears:

      Figure 31. Driver downloads

      Driver downloads

    This package contains the required driver for the VM to use the DDA GPU. There is no driver requirement for the host when using DDA, the driver is on the Guest VM. The bare metal hosts will see the GPUs as 3D Video controller.

    There are two ways of doing DDA, Windows Admin Center (WAC) or PowerShell. Dell Technologies recommends using the Windows Admin center to reduce user error and to conform to best practices. For more information, see Use GPUs with clustered VMs.

    Once DDA is complete and the VM is assigned a GPU, you must install the Nvidia Guest driver on the Guest VM, for it to be able to use the GPU. Once again there is no host driver requirement. For more information on how to install the guest driver, see Virtual GPU Software User Guide.

    Once the driver is installed, then your VM is ready to start using the DDA GPU.