Hi, May be something like [1] ? I was saved a detailed solution for this here [2] [1] https://tracker.ceph.com/issues/19413 [2] https://bit.ly/3zuGpye <https://bit.ly/3zuGpye> k > On 6 Jan 2022, at 17:35, Flemming Frandsen <dren.dk@xxxxxxxxx> wrote: > > I have a problem with a snapshot that I cannot unprotect, it claims to be > in use and it says it has a child image, but that image has been flattened > and no longer has a parent: > > root@ardmore:~# rbd snap unprotect > kube/kubernetes-dynamic-pvc-85ebad61-5a3e-11eb-b586-6af35a867cdb@crucible-crucible-data-crucible-0 > 2022-01-06 13:51:57.482 7fe5cdffb700 -1 librbd::SnapshotUnprotectRequest: > cannot unprotect: at least 1 child(ren) [b9e9336b8b4567] in pool 'kube' > 2022-01-06 13:51:57.486 7fe5cdffb700 -1 librbd::SnapshotUnprotectRequest: > encountered error: (16) Device or resource busy > 2022-01-06 13:51:57.486 7fe5cdffb700 -1 librbd::SnapshotUnprotectRequest: > 0x560af83e35e0 should_complete_error: ret_val=-16 > 2022-01-06 13:51:57.486 7fe5cdffb700 -1 librbd::SnapshotUnprotectRequest: > 0x560af83e35e0 should_complete_error: ret_val=-16 > rbd: unprotecting snap failed: (16) Device or resource busy > root@ardmore:~# rbd children > kube/kubernetes-dynamic-pvc-85ebad61-5a3e-11eb-b586-6af35a867cdb@crucible-crucible-data-crucible-0 > > kube/csi-vol-crucible-data-crucible-0-9794703bb3b > root@ardmore:~# rbd flatten > kube/csi-vol-crucible-data-crucible-0-9794703bb3b > > Image flatten: 0% complete...failed. > rbd: flatten error: (22) Invalid argument > 2022-01-06 13:52:08.746 7f093568b0c0 -1 librbd::Operations: image has no > parent > > I'm running Nautilus. > > Any ideas? _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx