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.

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 documentation at the CIsco Web site.http://www.cisco.com/go/unifiedcomputing/b-series-doc

Power off the virtual machine.

1

Locate the virtual machine in the vSphere Web Client.

a

To locate a virtual machine, select a datacenter, folder, cluster, resource pool, or host and click the Related Objects tab.

b

Click Virtual Machines and select the virtual machine from the list.

2

Click the Manage tab of the virtual machine, and select Settings > VM Hardware.

3

Click Edit.

4

Click the Virtual Hardware tab.

5

Expand the Memory section, and set the Limit to Unlimited.

6

Expand the Network adapter section to configure a passthrough device.

7

Select a port profile with high performance enabled from the network drop-down menu and click OK.

8

Power on the virtual machine.

After the virtual machine is powered on, DirectPath I/O appears as Active on the Hardware tab .