
On 12/18/2014 05:13 PM, Markus Stockhausen wrote:
Hello,
we just build a new cluster with FC20 + virt-preview repos enabled. Idea behind that is to enable snapshot live merge feature. This seems to work quite well.
The only culprit is the Windows activation. For some reasons the VM hardware of the old qemu 1.6/seabios 1.7.3 hypervisors is different to the new qemu 2.1/seabios 1.7.5. So the OS is no longer activated.
We already activated the VMs twice. During first install on VMware and then afterwards after the migration to OVirt. I have no problem to reactivate them a third time. I have more fears that I must reactivate them with each new hypervisor generation. That can be quite a lot of phone calls.
An interesting article from the Proxmox guys can be read here: http://forum.proxmox.com/archive/index.php/t-19743.html Conclusion of the discussion: After you go from qemu 1.7 to 2.1 you can force the old hardware layout using -M pc-i440fx-1.7
Looking at the qemu command line in OVirt I can see our VMs are fired up with pc-1.0,accel=kvm,usb=off - regardless of an old (FC20) or a new hypervisor (FC20+virt-preview). So I would guess that everything should work without a new reactivation.
Any ideas?
Markus
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for .el6/.el7 we use the stable -m machines (-m rhel6.5.0, -m rhel-6.6.0, etc.) fedora uses "pc" indeed. you can change it via config, but I don't know fedora is keeping these stable for the other definitions / how to map them to cluster levels