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Hi all, I've put up a blog post with a summary of where network device failover stands and some open issues. Not sure where best to host it, I just put it up on blogspot: https://mstsirkin.blogspot.com/2019/03/virtio-network-device-failover-support.html Comments, corrections are welcome! -- MST

Hi all, I've put up a blog post with a summary of where network device failover stands and some open issues. Not sure where best to host it, I just put it up on blogspot: https://mstsirkin.blogspot.com/2019/03/virtio-network-device-failover-support.html Comments, corrections are welcome! -- MST

...e could just hot-unplug all VFs from guests running on host (which will make all guests now use the virtio-net netdev which is backed by a netdev that eventually is on top of PF). Therefore, networking will be restored to guests once the PCIe reset is completed and the PF is functional again. To re-acceelrate the guests network, hypervisor can just hot-plug new VFs to guests. P.S: I would very appreciate all this forum help in closing on the pending items written in (3). Which currently prevents using this net-failover mechanism in real production use-cases. Regards, -Liran > On 17 Mar 2019, at 15...

...e could just hot-unplug all VFs from guests running on host (which will make all guests now use the virtio-net netdev which is backed by a netdev that eventually is on top of PF). Therefore, networking will be restored to guests once the PCIe reset is completed and the PF is functional again. To re-acceelrate the guests network, hypervisor can just hot-plug new VFs to guests. > > P.S: > I would very appreciate all this forum help in closing on the pending items written in (3). Which currently prevents using this net-failover mechanism in real production use-cases. > > Regards, > -Lir...