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ChangBo Guo,

I've just applied your patch and live migration started working, so a great
thank you from me.
We'll make more tests and see whether side effects arises.

Best regards,
Samuel.

On 24 December 2014 at 11:57, samuel <samu60 at gmail.com> wrote:

> Thanks a lot to both for your answers,
>
> I can not manually solve the issue since it's an automatic process during
> the live migrate action and afterwards the path is deleted. There's an
> issue "during" the live migration that causes this error.
>
> I'll try the proposed patch and report backup afterwards.
>
> Regards,
> Samuel.
>
>
> On 24 December 2014 at 03:46, ChangBo Guo <glongwave at gmail.com> wrote:
>
>> I have been trying to fix similar issue in
>> https://review.openstack.org/#/c/134693/
>> not sure that also fixes your issue.
>>
>> 2014-12-24 10:09 GMT+08:00 Yaguang Tang <heut2008 at gmail.com>:
>>
>>> Hi samuel,
>>>
>>> Sometimes live migration couldn't be rollback when error occurs, so the
>>> destination instance disk path remains there, you have to manually resolve
>>> this by delete that directory manually, and please try again.
>>>
>>> On Tue, Dec 23, 2014 at 11:24 PM, samuel <samu60 at gmail.com> wrote:
>>>
>>>> Dear list,
>>>>
>>>> We've recently faced an issue regarding live migration on a Juno
>>>> openstack installation using a ceph giant shared storage.
>>>>
>>>> The error that appear is
>>>>
>>>> DestinationDiskExists: The supplied disk path
>>>> (/var/lib/nova/instances/instance-id-hidden) already exists, it is expected
>>>> not to exist.
>>>>
>>>> I've located several entries, such as:
>>>>
>>>> https://bugzilla.redhat.com/show_bug.cgi?id=1150856
>>>> https://review.openstack.org/#/c/111082/
>>>>
>>>> But the error still persist and some of the patches have already been
>>>> included. The current version is the following:
>>>>
>>>> Name        : openstack-nova-compute
>>>> Version     : 2014.2.1
>>>> Release     : 1.el7.centos
>>>>
>>>>
>>>> It looks like there's an issue regarding shared storage and the
>>>> assumptions of this path.
>>>>
>>>> Can anyone provide information about this issue?
>>>>
>>>> Regards,
>>>> Samuel.
>>>>
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>>>>
>>>
>>>
>>> --
>>> Tang Yaguang
>>>
>>>
>>>
>>>
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>>>
>>
>>
>> --
>> ChangBo Guo(gcb)
>>
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>
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