[one-users] VM deleted when fails to get domain

[Fermín Manzanedo Guzmán]

Hi Rubén,

Searched by google this issue but I didn't found anything :)

Your solution fits so well in our environment (Now when a VM dissapears
we have to recover it from our NAS snapshot (fortunately we have a
snapshot filesystem) ).

Thanks a lot.

Regards.

Ruben S. Montero escribió:
> Hi Fermín,
>
> Yes this is a known issue, see the issues:
>
> http://dev.opennebula.org/issues/75
> http://dev.opennebula.org/issues/91
> http://dev.opennebula.org/issues/96
>
> After some discussion the solution implemented is:
>   1.- Do not remove VMs that are not reported by the underlying hypervisor
>   2.- Set the VM in an special state (called UNKNOWN)
>   3.- Let the sysadmin either recover the VM manually (it will appear
> in the next polling)
> or issue a restart request to start the VM again (note that  the VM is
> alredy defined and the images are in place)
>   4.- The user may also decide MANUALLY to delete the VM
>
> This has been implemented in one of the development branches, and will
> be included in the next release (by the end of the month we will
> release the first beta.)
>
> Please let me known if the previous solution makes sense in your
> environment, as we could improve it before the code freeze.
>
> Cheers
>
> Ruben
>
>
> 2009/6/15 Fermín Manzanedo Guzmán <fmanzanedo at jetmultimedia.es>:
>   
>> Hi all.
>>
>> We've our cloud up and running, but sometimes our VM images dissapear
>> without an aparent reason. It seems like if ONE doesn't connect to the
>> domain and then executes the delete command. This is the log for two VMs
>> deleted today:
>>
>> Mon Jun 15 12:35:57 2009 [VMM][I]: Monitoring VM 134.
>> Mon Jun 15 12:36:01 2009 [VMM][D]: Message received: LOG - 134 Connecting to
>> uri: qemu:///system
>> Mon Jun 15 12:36:01 2009 [VMM][D]: Message received: LOG - 134 error: failed
>> to get domain 'one-134'
>> Mon Jun 15 12:36:01 2009 [VMM][D]: Message received: LOG - 134 error: Domain
>> not found
>> Mon Jun 15 12:36:01 2009 [VMM][D]: Message received: LOG - 134 ExitCode: 1
>> Mon Jun 15 12:36:01 2009 [VMM][D]: Message received: POLL SUCCESS 134
>> STATE=d
>> Mon Jun 15 12:36:02 2009 [TM][D]: Message received: LOG - 134 tm_delete.sh:
>> Deleting /VM//134/images
>> Mon Jun 15 12:36:02 2009 [TM][D]: Message received: LOG - 134 tm_delete.sh:
>> Executed "rm -rf /VM//134/images".
>> Mon Jun 15 12:36:02 2009 [TM][D]: Message received: TRANSFER SUCCESS 134 -
>> [...]
>> Mon Jun 15 13:41:06 2009 [VMM][I]: Monitoring VM 132.
>> Mon Jun 15 13:41:12 2009 [VMM][D]: Message received: LOG - 132 Connecting to
>> uri: qemu:///system
>> Mon Jun 15 13:41:12 2009 [VMM][D]: Message received: LOG - 132 ExitCode: 0
>> Mon Jun 15 13:41:12 2009 [VMM][D]: Message received: POLL SUCCESS 132
>> USEDMEMORY=524288 STATE=a
>> Mon Jun 15 13:41:39 2009 [VMM][I]: Monitoring VM 132.
>> Mon Jun 15 13:41:41 2009 [VMM][D]: Message received: LOG - 132 Connecting to
>> uri: qemu:///system
>> Mon Jun 15 13:41:41 2009 [VMM][D]: Message received: LOG - 132 error: failed
>> to get domain 'one-132'
>> Mon Jun 15 13:41:41 2009 [VMM][D]: Message received: LOG - 132 error: Domain
>> not found
>> Mon Jun 15 13:41:41 2009 [VMM][D]: Message received: LOG - 132 ExitCode: 1
>> Mon Jun 15 13:41:41 2009 [VMM][D]: Message received: POLL SUCCESS 132
>> STATE=d
>> Mon Jun 15 13:41:42 2009 [TM][D]: Message received: LOG - 132 tm_delete.sh:
>> Deleting /VM//132/images
>> Mon Jun 15 13:41:42 2009 [TM][D]: Message received: LOG - 132 tm_delete.sh:
>> Executed "rm -rf /VM//132/images".
>> Mon Jun 15 13:41:42 2009 [TM][D]: Message received: TRANSFER SUCCESS 132 -
>>
>> Is there any way to override the tm_delete execution when get the "Domain
>> not found" error? Perhaps move the image or save it to another path?
>>
>> Thanks in advance.
>>
>> --
>>
>> Fermin Manzanedo
>>
>> Administrador de Sistemas Senior
>>
>> Madrid
>> Parque Empresarial Cristalia,
>> Vía de los Poblados nº3 Edificio 5, Planta 4ª
>> 28033 Madrid
>>
>> fmanzanedo at jetmultimedia.es
>> Tel: 902 01 02 01
>> Fax: 902 01 00 00
>>
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>>     
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