Merge "update sriov config docs for live migration support."
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@ -639,7 +639,14 @@ Known limitations
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* SR-IOV is not integrated into the OpenStack Dashboard (horizon). Users must
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use the CLI or API to configure SR-IOV interfaces.
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* Live migration is not supported for instances with SR-IOV ports.
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* Live migration support has been added to the Libvirt Nova virt-driver in the Train
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release for instances with neutron SR-IOV ports. Indirect mode SR-IOV interfaces
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(vnic-type: macvtap or virtio-forwarder) can now be migrated transparently to
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the guest. Direct mode SR-IOV interfaces (vnic-type: direct or direct-physical)
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are detached before the migration and reattached after the migration so this is not
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transparent to the guest. To avoid loss of network connectivy when live migrating
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with direct mode sriov the user should create a failover bond in the guest with a
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transparently live migration port type e.g. vnic-type normal or indirect mode SR-IOV.
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.. note::
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