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Hi Eric,

On 2019/09/20 23:10, Eric Harney wrote:
> On 9/20/19 1:52 AM, Rikimaru Honjo wrote:
>> Hi,
>>
>> I'm using Queens cinder with the following setting.
>>
>> ---------------------------------
>> [coordination]
>> backend_url = file://$state_path
>> ---------------------------------
>>
>> As a result, the files like the following were remained under the state path after some operations.[1]
>>
>> cinder-63dacb3d-bd4d-42bb-88fe-6e4180164765-delete_volume
>> cinder-32c426af-82b4-41de-b637-7d76fed69e83-delete_snapshot
>>
>> In my understanding, these are lock-files created for synchronization by tooz.
>> But, these lock-files were not deleted after finishing operations.
>> Is this behaviour correct?
>>
>> [1]
>> e.g. Delete volume, Delete snapshot
> 
> This is a known bug that's described here:
> 
> https://github.com/harlowja/fasteners/issues/26
> 
> (The fasteners library is used by tooz, which is used by Cinder for managing these lock files.)
> 
> There's an old Cinder bug for it here:
> https://bugs.launchpad.net/cinder/+bug/1432387
> 
> but that's marked as "Won't Fix" because Cinder needs it to be fixed in the underlying libraries.
Thank you for your explanation.
I understood the state.

But, I have one more question.
Can I think this bug doesn't affect synchronization?

Best regards,

> Thanks,
> Eric
> 

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Rikimaru Honjo
E-mail:honjo.rikimaru at ntt-tx.co.jp