Re: Objects not removed (completely) when removing a rbd image

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Hi Eugen,

Thank you for sharing your experience. I will dig into OpenStack cinder logs to check if something happened. The strange thing is the volume I deleted is not created from a snapshot, or doesn’t have any snapshot. And the rbd_id.xxx, rbd_header.xxx and rbd_object_map.xxx were deleted, just left out a lot of rbd_data objects. I plan to delete those objects manually.

br,
Xu Yun

> 2020年1月15日 下午3:50,Eugen Block <eblock@xxxxxx> 写道:
> 
> Hi,
> 
> this might happen if you try to delete images/instances/volumes in openstack that are somehow linked, e.g. if there are snapshots etc. I have experienced this in Ocata, too. Deleting a base image worked but there were existing clones so basically just the openstack database was updated, but the base image still existed within ceph.
> 
> Try to figure out if that is also the case. If it's something else, check the logs in your openstack environment, maybe they reveal something. Also check the ceph logs.
> 
> Regards,
> Eugen
> 
> 
> Zitat von 徐蕴 <yunxu@xxxxxx>:
> 
>> Hello,
>> 
>> My setup is Ceph pike working with OpenStack. When I deleted an image, I found that the space was not reclaimed. I checked with rbd ls and confirmed that this image was disappeared. But when I check the objects with rados ls, most objects named rbd_data.xxx are still existed in my cluster. rbd_object_map and rbd_header were already deleted. I waited for several hours and there is no further deletion happed. Is it a known issue, or something wrong with my configuration?
>> 
>> br,
>> Xu Yun
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> 
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