An image is created from an instance booted from a volume, then a vm is spawned from that image.
Even if the instance is deleted the snapshot cannot be deleted anymore.
Version-Release number of selected component (if applicable):
RHOSP 14z3
How reproducible:
always
Steps to Reproduce:
1. Boot instance from image and create boot volume
2. Create image from the the instance
3. Create a second instance from the new image
4, Delete the instance just created
5, Try to delete the snapshot
Expected Result:
Should delete the snapshot
Actual Result:
It fails with the following error:
2019-11-28 10:21:26.210 63 ERROR cinder.volume.manager [default default] Delete snapshot failed, due to snapshot busy.: SnapshotIsBusy: deleting snapshot snapshot-c-45ae that has dependent volumes
This is going to be addressed in OSP 16.2 thanks to the usage of RBD Clone v2 API. Please see bug 1764324.
As this is bug is a specifically targeted to OSP13, I'm going to close it as duplicate of bug 1870282, which was meant to find a solution on OSP13 but it is not going to be implemented in the end.
*** This bug has been marked as a duplicate of bug 1870282 ***