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Samuel,
The patch has flaw, clean up instance directory  should only   when  not
share instance path,   will update in next patch :)

2014-12-24 19:36 GMT+08:00 samuel <samu60 at gmail.com>:

> 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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>>>
>>
>


-- 
ChangBo Guo(gcb)
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