Re: upgrade kvm with running vm

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On Thu, Oct 7, 2010 at 11:43 PM,  <sofa5000@xxxxxxxxxxx> wrote:
> hi everybody,
>
> is it a problem to update kvm (the kvm package (qemu-kvm on debian) with
> the package manager) while some vms are turned on? or should i shutdown
> all vms first?

>From personal experience (install from source), there shouldn't be a
problem to perform upgrade/update of qemu-kvm without shutting down
those running VMs.  However, in order to use the updated version of
the qemu-kvm, you will need to unload those loaded kvm-intel or
kvm-amd and kvm kernel modules.  Such unloading of modules will need
to shutdown all running VMs in order to successfully unload (rmmod)
those kernel modules.  After unloading, you can reload the updated
version by using modprobe or insmod after you have done depmod.

Hope this helps!

Kindest regards,
Giam Teck Choon
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