[libvirt] Re: [PATCH/RFC] kvm/qemu vs libvirtd restarts

Daniel P. Berrange berrange at redhat.com
Fri Oct 10 17:00:57 UTC 2008

On Fri, Oct 10, 2008 at 05:35:04PM +0200, Guido G?nther wrote:
> On Tue, Oct 07, 2008 at 05:37:52PM +0100, Daniel P. Berrange wrote:
> [..snip..] 
> > This also needs to be implemented with the assumption that the daemon
> > can & will crash any time. So putting the state-saving hooks into the
> > qemudShutdown() method won't be sufficient. We need to write out the
> > state we need when initially starting the VM, and then update it any
> > time we hot-plug/unplug devices.
> This was actually the first way I looked at this but decided to do it
> the other way around since it saves us from updating the live config all
> the time. But if we consider libvirtd crashable it's indeed better
> to go this way. I'll come up with a different patch, might be a couple
> of days before I get around to it though.

I'd like to think our code was perfect and didn't crash, but experiance
tells me we're not yet perfect ;-) No need to rush - we'll just wait till
you have an updated patch, unles someone has a compelling desire to work
on it right now

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