[fedora-virt] libvirt configuration for cluster of qemu/kvm hosts
dwight.hubbard at efausol.com
Mon Jul 20 18:18:25 UTC 2009
The question I keep bumping into is where are the cluster resource scripts for
libvirt or kvm virtual machines. Migration is nice, but it doesn't do much
good in the event a server decides to up and die instead of going down
On Monday 20 July 2009 01:45:56 Gianluca Cecchi wrote:
> is there any pointer about how to set up a cluster of Qemu/KVM hosts?
> I'm on F11 x86_64 for the hosts.
> I read requirements for KVM migration in general highlighted at
> http://www.linux-kvm.org/page/Migration but I keep having doubts, in
> particular regarding libvirt configuration in cluster environments...
> Some questions about libvirt configuration:
> - /etc/libvirt/qemu/networks
> do the files inside here be identical between hosts (default.xml and
> other custom configured network ones)?
> What are the uuid tags into the xml for? Do they have to be identical
> for clusters or do they have to be absolutely different for a sort of
> "identification" of host (as the term seems to suggest)?
> If I have guests that use virbr0 and use dhcp for their network
> config, and want two different qemu/kvm hosts able to migrate these
> guests between them, need to have same config or what?
> - the same for storage configuration and other parameters.
> Suppose I clone a pre-config F11 host configured with libvirt, and
> suppose I have to differentiate uuid for networks/storage (see
> questions above), do I have a method to regenerate these uuid values
> inside xml files?
> Thanks in advance for any pointer.
> Fedora-virt mailing list
> Fedora-virt at redhat.com
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