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<div class="moz-cite-prefix">On 05/07/2013 02:10 AM, Christopher
Paggen (cpaggen) wrote:<br>
</div>
<blockquote
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<p class="MsoNormal">Howdy,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Running the most recent OVS and libvirt I’m
running into the following error message with virt-install:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><a moz-do-not-send="true"
href="mailto:root@qemu-kvm:%7E/libvirt-1.0.5#">root@qemu-kvm:~/libvirt-1.0.5#</a>
ovs-vsctl -V<o:p></o:p></p>
<p class="MsoNormal">ovs-vsctl (Open vSwitch) 1.11.90<o:p></o:p></p>
<p class="MsoNormal">Compiled May 6 2013 22:37:22<o:p></o:p></p>
<p class="MsoNormal"><a moz-do-not-send="true"
href="mailto:root@qemu-kvm:%7E/libvirt-1.0.5#">root@qemu-kvm:~/libvirt-1.0.5#</a><o:p></o:p></p>
<p class="MsoNormal"><a moz-do-not-send="true"
href="mailto:root@qemu-kvm:%7E/libvirt-1.0.5#">root@qemu-kvm:~/libvirt-1.0.5#</a>
virt-install --connect qemu:///system --name DSL2 --ram 1024
--vcpus 1 --disk path=/tmp/dsl2,size=1,bus=virtio,cache=none
--network=bridge:br0 --vnc --os-type=linux --cdrom /dev/sr0<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Starting install...<o:p></o:p></p>
<p class="MsoNormal">ERROR Unable to add bridge br0 port
vnet0: Operation not supported<o:p></o:p></p>
<p class="MsoNormal">Domain installation does not appear to have
been successful.<o:p></o:p></p>
<p class="MsoNormal">If it was, you can restart your domain by
running:<o:p></o:p></p>
<p class="MsoNormal"> virsh --connect qemu:///system start DSL2<o:p></o:p></p>
<p class="MsoNormal">otherwise, please restart your
installation.<o:p></o:p></p>
<p class="MsoNormal"><a moz-do-not-send="true"
href="mailto:root@qemu-kvm:%7E/libvirt-1.0.5#">root@qemu-kvm:~/libvirt-1.0.5#</a>
ovs-vsctl del-port br0 vnet0<o:p></o:p></p>
<p class="MsoNormal"><a moz-do-not-send="true"
href="mailto:root@qemu-kvm:%7E/libvirt-1.0.5#">root@qemu-kvm:~/libvirt-1.0.5#</a>
libvirtd --version<o:p></o:p></p>
<p class="MsoNormal">libvirtd (libvirt) 1.0.5<o:p></o:p></p>
<p class="MsoNormal"><a moz-do-not-send="true"
href="mailto:root@qemu-kvm:%7E/libvirt-1.0.5#">root@qemu-kvm:~/libvirt-1.0.5#</a>
virsh --version<o:p></o:p></p>
<p class="MsoNormal">1.0.5<o:p></o:p></p>
<p class="MsoNormal"><a moz-do-not-send="true"
href="mailto:root@qemu-kvm:%7E/libvirt-1.0.5#">root@qemu-kvm:~/libvirt-1.0.5#</a>
virt-install --connect qemu:///system --name DSL2 --ram 1024
--vcpus 1 --disk path=/tmp/dsl2,size=1,bus=virtio,cache=none
--network=bridge:br0 --vnc --os-type=linux --cdrom /dev/sr0</p>
</div>
</blockquote>
<br>
There is nothing in this command line to say that the bridge is an
openvswitch bridge, so libvirt is attempting to treat it as the
default Linux host bridge type.<br>
<br>
As a matter of fact, as far as I know virt-install hasn't been
enhanced to support direct description of an openvswitch bridge on
its commandline.<br>
<br>
<br>
The best way to solve this problem is to create a libvirt network to
encapsulate the openvswitch bridge, then tell virt-install to use
that network.<br>
<br>
1) Put the following xml into a file (e.g. /tmp/ovsnet.xml):<br>
<br>
<br>
<network><br>
<name>ovs-br0</name><br>
<forward mode='bridge'/><br>
<bridge name='br0'/><br>
<virtualport type='openvswitch'/><br>
</network><br>
<br>
2) define and start the network:<br>
<br>
# virsh net-define /tmp/ovsnet.xml<br>
# virsh net-start ovs-br0<br>
# virsh net-autostart ovs-br0<br>
<br>
3) run virt-install telling it to use the network "ovs-net":<br>
<br>
# virt-install --connect qemu:///system --name DSL2 --ram 1024
--vcpus 1 \<br>
--disk path=/tmp/dsl2,size=1,bus=virtio,cache=none \<br>
--network=ovs-br0 \ <======= THIS LINE IS CHANGED.<br>
--vnc --os-type=linux --cdrom /dev/sr0<br>
<br>
<br>
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