Make sure the volume "volume-17d9397b-d6e5-45e0-80fa-4bc7b7998842” does no have a snapshot or cloned linked to it , it might sometimes cause problems while deletion.
- Karan Singh On 07 Aug 2014, at 08:55, 杨万元 <[email protected]> wrote: > Hi all： > we use ceph rbd with openstack ，recently there are some dirty data in my > cinder-volume databases such as volumes status like error-deleting. So we > need manually delete this volumes。 > but when I delete the volume on ceph node，ceph tell me this error > > [root@ceph-node3 ~]# rbd -p glance rm > volume-17d9397b-d6e5-45e0-80fa-4bc7b7998842 > Removing image: 99% complete...failed. > rbd: error: image still has watchers > This means the image is still open or the client using it crashed. > Try again after closing/unmapping it or waiting 30s for the crashed > client to timeout. > 2014-08-07 11:25:42.793275 7faf8c58b760 -1 librbd: error removing > header: (16) Device or resource busy > > > I google this problem and find this > http://comments.gmane.org/gmane.comp.file-systems.ceph.user/9767 > I did it and got this: > > [root@ceph-node3 ~]# rbd info -p glance > volume-17d9397b-d6e5-45e0-80fa-4bc7b7998842 > rbd image 'volume-17d9397b-d6e5-45e0-80fa-4bc7b7998842': > size 51200 MB in 12800 objects > order 22 (4096 kB objects) > block_name_prefix: rbd_data.3b1464f8e96d5 > format: 2 > features: layering > [root@ceph-node3 ~]# rados -p glance listwatchers > rbd_header.3b1464f8e96d5 > watcher=192.168.39.116:0/1032797 client.252302 cookie=1 > > 192.168.39.116 is my nova compute node ,so i can't reboot this server, > what can i do to delete this volume without reboot my compute-node? > > my ceph version is 0.72.1. > > thanks very much! > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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