To configure direct PCI device connections for VMs, using VMDirectPath I/O, follow these steps:
- Open vSphere Web Client.
- Log in to your vCenter Server.
- On your home screen, select Hosts and Clusters.
- Select an ESX host from the inventory of VMware vSphere Client.
- In the Configure tab, click on Advanced under Networking. Make sure that DirectPath I/O shows Supported:
- In the Configure tab, click on PCI Devices under Hardware.
- Click on the pencil icon to edit. You will see a list of devices.
- Check the devices you want to use for DirectPath I/O.
- When the devices are selected, they are marked Available (pending). Reboot the system for the changes to take effect:
- After rebooting, the devices are marked Available. To configure a PCI device on a VM, perform these steps:
- From the inventory in vSphere Client, right-click on the VM and choose Edit Settings. Please note that the VM must be powered off to complete this operation.
- Click on the Virtual Hardware tab.
- Click on Add.
- Choose PCI Device as New device and click on Add.
- Click on OK.
When the device is assigned, the VM must have memory reservation for the fully configured memory size.