[ovirt-users] Migrate machines in unknown state?

[Arik Hadas]

----- Original Message -----
> 
> 
> El 04/08/16 a las 07:18, Arik Hadas escribió:
> > ----- Original Message -----
> >> Hi,
> >>
> >> We're running oVirt 4.0.1 and today I found out that one of our hosts
> >> has all its VMs in an unknown state. I actually don't know how (and
> >> when) did this happen, but I'd like to restore service possibly without
> >> turning off these machines. The host is up, the VMs are up, 'qemu'
> >> process exists, no errors, it's just the VMs running on it that have a
> >> '?' where status is defined.
> >>
> >> Is it safe in this case to simply modify database and set those VM's
> >> status to 'up'? I remember having to do this a time ago when we faced
> >> storage issues, it didn't break anything back then. If not, is there a
> >> "safe" way to migrate those VMs to a different host and restart the host
> >> that marked them as unknown?
> > Hi Nicolás,
> >
> > I assume that the host these VMs are running on is empty in the webadmin,
> > right? if that is the case then you've probably hit [1]. Changing their
> > status to up is not the way to go since these VMs will not be monitored.
> 
> Hi Arik,
> 
> By "empty" you mean the webadmin reports the host being running 0 VMs?
> If so, that's not the case, actually the VM count seems to be correct in
> relation to "qemu-*" processes (about 32 VMs), I can even see the
> machines in the "Virtual machines" tab of the host, it's just they are
> all marked with the '?' mark.

No, I meant the 'Host' column in the Virtual Machines tab but if you see
the VMs in the "Virtual machines" sub-tab of the host then run_on_vds
points to the right host..

The host is up in the webadmin as well?
Can you share the engine log?

> 
> Thanks.
> 
> > Yes, there is no other way to resolve it other than changing the DB but
> > the change should be to update run_on_vds field of these VMs to the host
> > you know they are running on. Their status will then be updates in 15 sec.
> >
> > [1] https://bugzilla.redhat.com/show_bug.cgi?id=1354494
> >
> > Arik.
> >
> >> Thanks.
> >>
> >> Nicolás
> >>
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> >>
> 
>