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Re: [libvirt] On shutdown Destroy/Delete



On Wed, Aug 20, 2008 at 02:34:22PM +0100, Richard W.M. Jones wrote:
> On Wed, Aug 20, 2008 at 02:31:52PM +0100, Richard W.M. Jones wrote:
> > On Tue, Aug 19, 2008 at 10:26:33PM +0200, Stefan de Konink wrote:
> > > I would really like to know how I can make a defined domain *gone* after  
> > > shutdown :) (instead of it still be defined, after shutdown)
> 
> [...]
> 
> Oh right, so am I correct in thinking you want the domain to be
> undefined after it has shutdown itself?  That's not possible
> currently.  AIUI undefining a running domain is either an illegal
> operation or shuts it down abruptly -- you'll need to look in the
> source to see which.  So you'd need some sort of 'reaper' cronjob to
> regularly undefine domains after they have gone into the shutdown
> state.

The easy answer is to simply *not* define it in the first place. If
you use  virDomainCreateLinux() instead of virDomainDefine+virDomainCreate
then you'll get a running VM without any persistent config file behind
it. Then all trace will disappear when it shuts down.

Daniel
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