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VMware-to-ZStack Case Collection
The report provides three major
solutions and customer case studies for transitioning from VMware to ZStack.
ZStack Cloud 5.3.40>ZStack Cloud Tutorials>ZStack Cloud Private Cloud>GPU Passthrough Tutorial>Preparations
Preparations
To utilize the GPU passthrough feature on ZStack Cloud, the following preparations are necessary:
- Enter the BIOS settings of your host and enable the Intel VT-d feature or the AMD IOMMU feature. Verify that the host kernel has IOMMU support enabled.
- For NVIDIA A series users, you have to ensure that your host kernel is upgraded to 4.18 version, and GCC to 8.3.1 version.
- Make sure that the version of your driver matches that of your GPU device.
Note: For more information about driver service or installation methods, please contact GPU device supplier. For recommended driver versions, see Considerations. - Configure the global settings: Click . The following global settings are related to the pGPU passthrough feature, you can adjust them as needed:
- Hide KVM Virtualization Flag: If you use NVIDIA graphics cards for VM instances, you need to set this parameter to true.
This setting specifies whether to hide the KVM virtualization flag. The default is false. If set to true, <hidden state='on'> is inserted in the <kvm> field of the XML file defined for a newly started VM instance.
- VM Hyper-V Virtualization: If you use NVIDIA graphics cards for VM instances, you need to set this parameter to true.
This setting specifies whether to enable Hyper-V emulation for a VM instance. The default is false.
- PCI Hot Plugging: Configure it as needed.
This setting specifies whether to enable hot plugging of PCI devices for a VM instance. The default is true. If a hardware incompatibility error occurs during hot plugging or a hardware device does not support hot plugging, you can set this parameter to false.
- vGPU Default Quota: Configure it as needed.
This setting is used to set the quota of GPU devices (including pGPUs and vGPUs) that an account/project can use. The default is 20.
- Hide KVM Virtualization Flag: If you use NVIDIA graphics cards for VM instances, you need to set this parameter to true.
Next Chapter: Typical Scenarios