[libvirt-users] live migration and config
Jiri Denemark
jdenemar at redhat.com
Fri Sep 14 11:43:27 UTC 2018
On Thu, Sep 13, 2018 at 19:37:00 +0400, Dmitry Melekhov wrote:
>
>
> 13.09.2018 18:57, Jiri Denemark пишет:
> > On Thu, Sep 13, 2018 at 18:38:57 +0400, Dmitry Melekhov wrote:
> >>
> >> 13.09.2018 17:47, Jiri Denemark пишет:
> >>> On Thu, Sep 13, 2018 at 10:35:09 +0400, Dmitry Melekhov wrote:
> >>>> After some mistakes yesterday we ( me and my colleague ) think that it
> >>>> will be wise for libvirt to check config file existence on remote side
> >>> Which config file?
> >>>
> >> VM config file, namely qemu.
> > Do you mean the domain XML definition found in /etc/libvirt/qemu/*.xml ?
> Yes and no, xml, but at another location.
>
> >> We forgot to mount shared storage (namely gluster volume), on which we
> >> have config files, twice...
> > If you're talking about the domain XML file, then you should never store
> > them on a shared storage. All XML files in /etc/libvirt are supposed to
> > be local to each host.
>
> They are not stored in /etc/libvirt , but in other location, which is
> suitable for sharing.
I'm even more confused now. How could libvirt even know about such
files? Unless you use transient domains, i.e., point libvirt to the
right XML when starting the domain.
> Unfortunately, my colleague left today for 2 weeks vacations and I have
> no access to these hosts,
> so I will be able to look in logs or do some tests only in October.
> So, I'll write there again after 2 weeks or so.
Yeah, it would be nice if you could share the actual domain XML and the
command you used for migrating it to the other host, too.
Jirka
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