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Table Of Contents
Configure a PCI Device on a Virtual Machine
You can configure a passthrough PCI device on a virtual machine.
Prerequisites
Launch the vSphere Client and log in to a vCenter Server system.
Procedure
1 Select a virtual machine from the inventory panel of the vSphere Client.
2 From the Inventory menu, select Virtual Machine > Edit Settings.
3 On the Hardware tab, click Add.
4 Select PCI Device and click Next.
5 Select the passthrough device to use, and click Next.
6 Click Finish.
Adding a DirectPath device to a virtual machine sets memory reservation to the memory size of the virtual
machine.
Enable DirectPath I/O with vMotion on a Virtual Machine
You can enable DirectPath I/O with vMotion for virtual machines in a datacenter on a Cisco UCS system
that has at least one supported Cisco UCS Virtual Machine Fabric Extender (VM-FEX) distributed switch.
Prerequisites
n
Enable high performance network I/O on at least one Cisco UCS port profile on a supported Cisco VM-
FEX distributed switch. For supported switches and switch configuration, see Cisco's documentation at
http://www.cisco.com/go/unifiedcomputing/b-series-doc.
Launch the vSphere Client and log in to a vCenter Server system.
n
Power off the virtual machine.
Procedure
1 Log in to the vSphere Client and select the VMs and Templates inventory view.
2 Right-click the virtual machine to modify and click Edit Settings.
3 On the Resources tab, select Memory.
4 Select Unlimited.
5 On the Hardware tab, select the network adapter to configure as a passthrough device.
6 Select a port profile with high performance enabled from the network label drop-down menu, and click
OK.
7 Power on the virtual machine.
After the virtual machine is powered on, DirectPath I/O appears as Active on the Hardware tab of the
virtual machine properties dialog box.
Chapter 21 Managing Network Resources
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