[Qemu-devel] Re: [kvm-devel] Feedback and errors

[nadim khemir]

On Sunday 04 May 2008 13.19.30 Avi Kivity wrote:
> ...
> > > I guess it's usage patterns.  I'm pretty religious about using -snapshot 
> > unless I have a very specific reason not to.  I have never encountered
> > this problem myself.
>
> Most users cannot use -snapshot for their workloads.

and -snapshot does not work with loadvm.

> > Xen tries to be very smart about determining whether devices are mounted
> > somewhere else or not.
>
> I'm not talking about being too smart.  Just an flock().
That's also what I'd like to see. Make the flock call a standard and have 
option --exclisove-hda-lock check that no one else has locked the file. This 
way backwardcompatibility is kept and the one who wants to check still can do 
it.

> > What we really need is a global configuration file so that individual
> > users can select these defaults according to what makes sense for them.
Any example?