[libvirt-users] libvirtio version compatibility...

[Erik Brakkee]

Hi,


I intend to run a server with about 4 VMs with KVM and would like to use 
virtio for performance. However, one thing that is holding me back is 
compatibility. In the past I have seen with Xen that the paravirtualized 
drivers of one version in the host (dom0) would not always be compatible 
with a version in the client.

If I would run into compatibility problems than I would like to continue 
to use full virtualization despite the performance impact. Therefore my 
question. In case I am running a setup with a host and a number of 
domains, is it guaranteed that I can do the following:

    * upgrade the host independent of the guests
    * upgrade a guest independent of the host

Cheers
   Erik

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