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Bug 1119236

Summary: Restart engine during live snapshot creation reported as failed by engine but created successfully
Product: [Retired] oVirt Reporter: Raz Tamir <ratamir>
Component: ovirt-engine-coreAssignee: Allon Mureinik <amureini>
Status: CLOSED NOTABUG QA Contact: Aharon Canan <acanan>
Severity: high Docs Contact:
Priority: unspecified    
Version: 3.5CC: acanan, acathrow, amureini, gklein, iheim, ratamir, s.kieske, yeylon
Target Milestone: ---Keywords: Triaged
Target Release: 3.5.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: storage
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2014-07-14 12:07:48 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: Storage RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
vdsm and engine logs none

Description Raz Tamir 2014-07-14 10:54:19 UTC
Created attachment 917748 [details]
vdsm and engine logs

Description of problem:
If restarting the engine during a live snapshot creation,
the engine reports that "Failed to complete snapshot 'snapshot_343077' creation for VM 'vm_0'." but the snapshot created successfully and the volumes created too.

Version-Release number of selected component (if applicable):
ovirt-engine-3.5.0-0.0.master.20140629172257.git0b16ed7.el6.noarch
vdsm-4.16.0-3.git601f786.el6.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Start a live snapshot operation
2. restart engine service
3.

Actual results:
The snapshot is created and all the volumes exists and the failure message is shown.

Expected results:
the snapshot should succeeded with no Failure message OR the snapshot creation should fail with failure message

Additional info:

Comment 1 Sven Kieske 2014-07-14 12:19:38 UTC
Why is this considered "not a bug"?
Doesn't this lead to an inconsistent state in ovirt-engine?

Comment 2 Raz Tamir 2014-07-14 12:25:42 UTC
Update:
This bug is not depend on restarting engine.
The relevant bug is: https://bugzilla.redhat.com/show_bug.cgi?id=1119203