Thanks Jason, I will try to use your method.

2016-10-19 17:23 GMT-07:00 Jason Dillaman <jdill...@redhat.com>:

> On Wed, Oct 19, 2016 at 6:52 PM, yan cui <ccuiy...@gmail.com> wrote:
> > 2016-10-19 15:46:44.843053 7f35c9925d80 -1 librbd: cannot obtain
> exclusive
> > lock - not removing
>
> Are you attempting to delete the primary or non-primary image? I would
> expect any attempts to delete the non-primary image to fail since the
> non-primary image will automatically be deleted when mirroring is
> disabled on the primary side (or the primary image is deleted).
>
> There was an issue where the rbd-mirror daemon would not release the
> exclusive lock on the image after a forced promotion. The fix for that
> will be included in the forthcoming 10.2.4 release.
>
> If it is neither of these scenarios, can you re-run the "rbd rm"
> command with "--debug-rbd=20" option appended?
>
> Thanks,
>
> --
> Jason
>



-- 
Think big; Dream impossible; Make it happen.
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