|Subject:||[Qemu-discuss] How to enable virtio-blk data plane ?|
|Date:||Mon, 20 Apr 2015 14:46:01 +0800|
I tried to enable virtio-blk data plane feature for VMs in my openstack environment, the hypervisor is ubuntu 14.04, libvirt 1.2.2 and QEMU 2.0.
. As nova doesn't support that parameter yet, I did belows
1. nova boot a VM with raw disk image.
2. nova stop the VM.
3. run "virsh edit <instance-id>" on the hyprvisor node, and adding below into instance xml just before </domain>
<qemu:commandline> <qemu:arg value='-set'/> <qemu:arg value='device.drive-virtio-disk0.x-data-plane=on'/> </qemu:commandline>
4. nova start the VM.
But seems that it doesn't work, could anyone help and let me know how to enable virtio-blk data plane?
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