[Users] All VMs disappeared

[Laszlo Hornyak]

Thank you Frank, I will investigate this issue.

----- Original Message -----
> From: "Frank Wall" <fw at moov.de>
> To: users at ovirt.org
> Sent: Tuesday, August 27, 2013 2:44:44 PM
> Subject: Re: [Users] All VMs disappeared
> 
> Hi Laszlo,
> 
> On 27.08.2013 14:24, Laszlo Hornyak wrote:
> > If I understand correctly, this is what happens to your installation,
> > the AddVmFromTemplate command goes to fail and engine tries to
> > compensate, and upon successful compensation you get VM records
> > removed from DB and storage cleaned up.
> 
> just to be sure, please note, that the task actually completed
> successfully from my point of view. The new VM (direved from the
> template clone task) is fully usable and on the webadmin the task is
> shown as "completed".
> 
> So maybe at some point in time the engine does get the job status wrong
> and the problem begins...
> 
> > I need to look into this but I think it should be safe to remove this
> > record while the engine is down. Make sure to make a backup if you
> > try!
> 
> OK, I did the following test:
> 
> - created a new VM from my custom template (with cloned Disk)
> - waited for the job to complete
> - manually deleted the related DB entry from the table "async_tasks"
> - set host/node to maintenance
> - rebootet engine
> 
> Result: The VM did NOT disappear! :-)
> 
> I think somehow ovirt-engine does get the results of the job wrong, thus
> it does not recognize that the job completed *successfully* and does a
> retry after reboot (which fails horribly and leads to disappearing VMs).
> 
> 
> Thanks
> - Frank
> 
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