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Which two settings are required when utilizing DirectPath I/O?

Which two settings are required when utilizing DirectPath I/O? (Choose two.)

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A.
CPU pinning

B.
full memory reservation

C.
Set port profile performance to “high”.

D.
vCPU pinning

E.
VM queue modification

F.
adapter profile update

G.
Install DirectPath VIB on host.

H.
Enable VMQ with the “enable-netadaptervmq” cmdlet.

3 Comments on “Which two settings are required when utilizing DirectPath I/O?

  1. Mike says:

    From VMWare (Enable DirectPath I/O with vMotion on a Virtual Machine):

    Prerequisites

    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.

    ■ Power off the virtual machine.

    Procedure

    1. In the vSphere Client, 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.




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