[Openstack] [OpenStack][Nova] Live Migration Error

Leander Bessa Beernaert leanderbb at gmail.com
Mon Jul 9 17:01:45 UTC 2012


There is no error, it just doesn't do anything :s.

I've left the instance alone for 3 hours now and it's still stuck on the
original compute node.

On Mon, Jul 9, 2012 at 5:55 PM, Mandar Vaze / मंदार वझे <
mandarvaze at gmail.com> wrote:

> I see "pre_live_migration" in destination compute log, so migration at
> least started.
>
> Since there are no errors in either compute log, is it possible that
> migration is taking long ? (Just a possibility)
> When you say "migration fails" what error did you get ?
>
> -Mandar
>
> On Mon, Jul 9, 2012 at 7:39 PM, Leander Bessa Beernaert <
> leanderbb at gmail.com> wrote:
>
>> Ok, so i've updated to the test packages from
>>
>> The migration still fails, but i see no errors in the logs. I'm trying to
>> migrate a VM with the m1.tiny flavor from one machine to another. Their
>> hardware are identical and they have more than enough resources to support
>> the m1.tiny flavor:
>>
>> cloud35         (total)                         4    3867     186
>>> cloud35         (used_now)                      0     312       5
>>> cloud35         (used_max)                      0       0       0
>>
>>
>> These are the logs from the origin compute node:
>> http://paste.openstack.org/show/19319/  and  the destination compute
>> node: http://paste.openstack.org/show/19318/ . The scheduler's log has
>> no visible errors or stack traces.
>>
>> I'm still using nfsv4.
>>
>> Any ideas?
>>
>>
>> On Fri, Jul 6, 2012 at 7:57 PM, Leander Bessa Beernaert <
>> leanderbb at gmail.com> wrote:
>>
>>> Thanks for the tip, it's a better than nothing :)
>>>
>>> Regards,
>>> Leander
>>>
>>> On Fri, Jul 6, 2012 at 6:32 PM, Mandar Vaze / मंदार वझे <
>>> mandarvaze at gmail.com> wrote:
>>>
>>>> Not sure if you are able to debug this, but a while ago there was a bug
>>>> where instance.id was passed where instance.uuid was expected. This
>>>> used to cause some problem.
>>>> It looks like you are using distribution package rather than devstack
>>>> installation, so it is likely that the issue is now fixed. Can you try
>>>> latest packages (and/or try devstack if you can)
>>>>
>>>> I wish I could help more.
>>>>
>>>> -Mandar
>>>>
>>>>
>>>> On Fri, Jul 6, 2012 at 3:26 PM, Leander Bessa Beernaert <
>>>> leanderbb at gmail.com> wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> I've recently setup a system to test out the live migration feature.
>>>>> So far i've been able to launch the instances with the shared nfs folder.
>>>>> However, when i run the live-migration command i encounter this error in
>>>>> the destination compute node:
>>>>>
>>>>> 2012-07-05 09:33:48 ERROR nova.manager [-] Error during
>>>>>> ComputeManager.update_available_resource: Domain not found: no domain with
>>>>>> matching id 2
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager Traceback (most recent call
>>>>>> last):
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager   File
>>>>>> "/usr/lib/python2.7/dist-packages/nova/manager.py", line 155, in
>>>>>> periodic_tasks
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager     task(self, context)
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager   File
>>>>>> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2409, in
>>>>>> update_available_resource
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager
>>>>>> self.driver.update_available_resource(context, self.host)
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager   File
>>>>>> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
>>>>>> 1936, in update_available_resource
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager     'vcpus_used':
>>>>>> self.get_vcpu_used(),
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager   File
>>>>>> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
>>>>>> 1743, in get_vcpu_used
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager     dom =
>>>>>> self._conn.lookupByID(dom_id)
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager   File
>>>>>> "/usr/lib/python2.7/dist-packages/libvirt.py", line 2363, in lookupByID
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager     if ret is None:raise
>>>>>> libvirtError('virDomainLookupByID() failed', conn=self)
>>>>>> 2012-07-05 09:33:48 TRACE nova.manager libvirtError: Domain not
>>>>>> found: no domain with matching id 2
>>>>>
>>>>>
>>>>> Any ideas on how to solve this?
>>>>>
>>>>> Regards,
>>>>> Leander
>>>>>
>>>>> _______________________________________________
>>>>> Mailing list: https://launchpad.net/~openstack
>>>>> Post to     : openstack at lists.launchpad.net
>>>>> Unsubscribe : https://launchpad.net/~openstack
>>>>> More help   : https://help.launchpad.net/ListHelp
>>>>>
>>>>>
>>>>
>>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack/attachments/20120709/ea5c4642/attachment.html>


More information about the Openstack mailing list