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Bug 1795959

Summary: [OSP15][cinder] Connot delete snapshot after an instance was spawned from it and then deleted
Product: Red Hat OpenStack Reporter: Mauro Oddi <moddi>
Component: openstack-cinderAssignee: Cinder Bugs List <cinder-bugs>
Status: CLOSED EOL QA Contact: Tzach Shefi <tshefi>
Severity: medium Docs Contact: Chuck Copello <ccopello>
Priority: medium    
Version: 15.0 (Stein)CC: abishop, astillma, brian.rosmaita, eharney, jobernar, ltoscano, moddi, pcaruana, senrique, tberry, tshefi
Target Milestone: ---Keywords: Triaged, ZStream
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1791829 Environment:
Last Closed: 2020-09-21 10:51:49 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1703939, 1777781, 1791829, 1870282    
Bug Blocks:    

Comment 1 Mauro Oddi 2020-01-29 18:18:15 UTC 
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 [req-ce59d7a8-4061-42d3-b4e4-5ef5e2538136 fde3a8d8d2ea49a68244ff7dfecda969 9ac71c235b15485da8e84bccae2f14e2 - default default] Delete snapshot failed, due to snapshot busy.: SnapshotIsBusy: deleting snapshot snapshot-c47eb196-9fd2-45ae-8507-9613f0754169 that has dependent volumes
Comment 5 Luigi Toscano 2020-09-21 10:51:49 UTC 
OSP15 is now EOL. The follow-up for this bug (another instance of "limitations when dealing with non flattened volumes") is its OSP13 clone, bug 1791829 .