[MOS 10][cinder] Volume snapshot can't be deleted if volume has been uploaded from it

Bug #1681748 reported by Alexander Gromov
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Mirantis OpenStack
Invalid
High
Michael Dovgal

Bug Description

MOS 10, Ceph RBD for volumes (Cinder)

Steps to reproduce:
1) cinder create 1
2) cinder snapshot-create <volume-id>
3) cinder create --snapshot-id <snapshot-id>
4) cinder snapshot-delete <snapshot-id>

Expected results:
Volume snapshot is successfully deleted.

Actual result:
Volume snapshot is not deleted. No errors are shown.

Snapshot can be deleted only if we have initially deleted the volume which has been uploaded from it.

Michael Dovgal (mdovgal)
Changed in mos:
assignee: nobody → Michael Dovgal (mdovgal)
Revision history for this message
Alexander Gromov (agromov) wrote :
Michael Dovgal (mdovgal)
Changed in mos:
milestone: none → 10.0
importance: Undecided → High
Revision history for this message
Michael Dovgal (mdovgal) wrote :
Michael Dovgal (mdovgal)
Changed in mos:
status: New → Invalid
Revision history for this message
Michael Dovgal (mdovgal) wrote :

This behavior is normal for Ceph backend. We can't delete snapshot while we have children volumes.
In c-vol logs there is an information about it.
http://paste.openstack.org/show/606149/

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