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@@ -36,37 +36,39 @@ feature on the virtio-net interface and assign the same MAC address to both
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virtio-net and VF interfaces.
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Here is an example XML snippet that shows such configuration.
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-
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- <interface type='network'>
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- <mac address='52:54:00:00:12:53'/>
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- <source network='enp66s0f0_br'/>
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- <target dev='tap01'/>
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- <model type='virtio'/>
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- <driver name='vhost' queues='4'/>
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- <link state='down'/>
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- <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
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- </interface>
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- <interface type='hostdev' managed='yes'>
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- <mac address='52:54:00:00:12:53'/>
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- <source>
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- <address type='pci' domain='0x0000' bus='0x42' slot='0x02' function='0x5'/>
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- </source>
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- <address type='pci' domain='0x0000' bus='0x00' slot='0x0b' function='0x0'/>
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- </interface>
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+::
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+
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+ <interface type='network'>
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+ <mac address='52:54:00:00:12:53'/>
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+ <source network='enp66s0f0_br'/>
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+ <target dev='tap01'/>
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+ <model type='virtio'/>
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+ <driver name='vhost' queues='4'/>
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+ <link state='down'/>
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+ <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
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+ </interface>
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+ <interface type='hostdev' managed='yes'>
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+ <mac address='52:54:00:00:12:53'/>
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+ <source>
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+ <address type='pci' domain='0x0000' bus='0x42' slot='0x02' function='0x5'/>
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+ </source>
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+ <address type='pci' domain='0x0000' bus='0x00' slot='0x0b' function='0x0'/>
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+ </interface>
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Booting a VM with the above configuration will result in the following 3
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netdevs created in the VM.
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-
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-4: ens10: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
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- link/ether 52:54:00:00:12:53 brd ff:ff:ff:ff:ff:ff
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- inet 192.168.12.53/24 brd 192.168.12.255 scope global dynamic ens10
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- valid_lft 42482sec preferred_lft 42482sec
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- inet6 fe80::97d8:db2:8c10:b6d6/64 scope link
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- valid_lft forever preferred_lft forever
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-5: ens10nsby: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ens10 state UP group default qlen 1000
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- link/ether 52:54:00:00:12:53 brd ff:ff:ff:ff:ff:ff
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-7: ens11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master ens10 state UP group default qlen 1000
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- link/ether 52:54:00:00:12:53 brd ff:ff:ff:ff:ff:ff
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+::
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+
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+ 4: ens10: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
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+ link/ether 52:54:00:00:12:53 brd ff:ff:ff:ff:ff:ff
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+ inet 192.168.12.53/24 brd 192.168.12.255 scope global dynamic ens10
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+ valid_lft 42482sec preferred_lft 42482sec
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+ inet6 fe80::97d8:db2:8c10:b6d6/64 scope link
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+ valid_lft forever preferred_lft forever
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+ 5: ens10nsby: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ens10 state UP group default qlen 1000
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+ link/ether 52:54:00:00:12:53 brd ff:ff:ff:ff:ff:ff
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+ 7: ens11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master ens10 state UP group default qlen 1000
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+ link/ether 52:54:00:00:12:53 brd ff:ff:ff:ff:ff:ff
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ens10 is the 'failover' master netdev, ens10nsby and ens11 are the slave
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'standby' and 'primary' netdevs respectively.
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@@ -80,37 +82,38 @@ the paravirtual datapath when the VF is unplugged.
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Here is a sample script that shows the steps to initiate live migration on
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the source hypervisor.
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+::
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-# cat vf_xml
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-<interface type='hostdev' managed='yes'>
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- <mac address='52:54:00:00:12:53'/>
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- <source>
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- <address type='pci' domain='0x0000' bus='0x42' slot='0x02' function='0x5'/>
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- </source>
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- <address type='pci' domain='0x0000' bus='0x00' slot='0x0b' function='0x0'/>
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-</interface>
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+ # cat vf_xml
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+ <interface type='hostdev' managed='yes'>
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+ <mac address='52:54:00:00:12:53'/>
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+ <source>
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+ <address type='pci' domain='0x0000' bus='0x42' slot='0x02' function='0x5'/>
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+ </source>
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+ <address type='pci' domain='0x0000' bus='0x00' slot='0x0b' function='0x0'/>
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+ </interface>
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-# Source Hypervisor
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-#!/bin/bash
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+ # Source Hypervisor
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+ #!/bin/bash
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-DOMAIN=fedora27-tap01
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-PF=enp66s0f0
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-VF_NUM=5
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-TAP_IF=tap01
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-VF_XML=
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+ DOMAIN=fedora27-tap01
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+ PF=enp66s0f0
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+ VF_NUM=5
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+ TAP_IF=tap01
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+ VF_XML=
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-MAC=52:54:00:00:12:53
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-ZERO_MAC=00:00:00:00:00:00
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+ MAC=52:54:00:00:12:53
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+ ZERO_MAC=00:00:00:00:00:00
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-virsh domif-setlink $DOMAIN $TAP_IF up
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-bridge fdb del $MAC dev $PF master
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-virsh detach-device $DOMAIN $VF_XML
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-ip link set $PF vf $VF_NUM mac $ZERO_MAC
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+ virsh domif-setlink $DOMAIN $TAP_IF up
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+ bridge fdb del $MAC dev $PF master
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+ virsh detach-device $DOMAIN $VF_XML
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+ ip link set $PF vf $VF_NUM mac $ZERO_MAC
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-virsh migrate --live $DOMAIN qemu+ssh://$REMOTE_HOST/system
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+ virsh migrate --live $DOMAIN qemu+ssh://$REMOTE_HOST/system
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-# Destination Hypervisor
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-#!/bin/bash
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+ # Destination Hypervisor
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+ #!/bin/bash
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-virsh attach-device $DOMAIN $VF_XML
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-virsh domif-setlink $DOMAIN $TAP_IF down
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+ virsh attach-device $DOMAIN $VF_XML
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+ virsh domif-setlink $DOMAIN $TAP_IF down
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