Re: [libvirt] persistent->transient [was: [PATCH 8/8] UndefineFlags: Extend virsh undefine to support new flag]

于 2011年07月15日 00:25, Eric Blake 写道: > On 07/13/2011 09:56 PM, Osier Yang wrote: >>>> -=item B<undefine> I<domain-id> >>>> +=item B<undefine> I<domain-id> optional I<--undefine-managed-state> >>>> >>>> Undefine the configuration for an inactive domain. Since it's not >>>> running >>>> the domain name or UUID must be used as the I<domain-id>. >>> Oh, this is different than libvirt.c, which claimed you can run >>> 'undefine' on a running persistent domain. Which is it? Can undefine >>> make a running domain transient, or must it be on an inactive domain? >> No, document in libvirt.c is not correct, undefining on a running domain >> will be refused. > I argue that we found a bug in the qemu driver then. > > Right now, you can use 'virDomainDefineXML' to convert a transient guest > into a persistent one, but there is no counterpart operation to convert > a persistent guest back into a transient one. > > That is, I think the libvirt.c docs are right in implying that you can > 'undefine' a running domain, and that the qemu driver needs to be fixed > to allow this use case. > It looks to me all of the dirvers which supports domain undefine don't allow to undefine a running domain, except xend, ESX, and xenapi, which leave the determination to the underlying hypervisor.

> Either Dan, do you want to weigh in on this API question? > > > > -- > libvir-list mailing list > libvir-list(a)redhat.com > https://www.redhat.com/mailman/listinfo/libvir-list -- libvir-list mailing list libvir-list(a)redhat.com https://www.redhat.com/mailman/listinfo/libvir-list