Does child image "images/0a38b10d-2184-40fc-82b8-8bbd459d62d2" have snapshots? -- Jason Dillaman ----- Original Message ----- > From: "Jackie" <hzguanqiang@xxxxxxxxx> > To: ceph-users@xxxxxxxxxxxxxx > Sent: Thursday, November 19, 2015 12:05:12 AM > Subject: After flattening the children image, snapshot still can not be unprotected > > Hi experts, > > I met a problem that after flattening the children image, snapshot still > can not be unprotected. > > Detail infos are as following: > > ubuntu@devstack-ntse:~$ rbd snap unprotect > vms/9bec1605-816b-4e6f-b393-eb44d214c21d_disk@20d41cdcbc184d09834c850ec68965af > > 2015-11-19 12:53:09.146001 7f6c48c507c0 -1 librbd: snap_unprotect: can't > unprotect; at least 1 child(ren) in pool images > rbd: unprotecting snap failed: (16) Device or resource busy > > ubuntu@devstack-ntse:~$ rbd children > vms/9bec1605-816b-4e6f-b393-eb44d214c21d_disk@20d41cdcbc184d09834c850ec68965af > images/0a38b10d-2184-40fc-82b8-8bbd459d62d2 > > ubuntu@devstack-ntse:~$ rbd info images/0a38b10d-2184-40fc-82b8-8bbd459d62d2 > rbd image '0a38b10d-2184-40fc-82b8-8bbd459d62d2': > size 20480 MB in 2560 objects > order 23 (8192 kB objects) > block_name_prefix: rbd_data.1819051b1183ad > format: 2 > features: layering, striping > stripe unit: 4096 kB > stripe count: 1 > > What's the problem? > > Regards, > Jackie > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com