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Bug 1455662

Summary:	Better informative error messages while VM live migration failed events occurs in RHV-M.
Product:	Red Hat Enterprise Virtualization Manager	Reporter:	Sachin Raje <sraje>
Component:	ovirt-engine	Assignee:	Nobody <nobody>
Status:	CLOSED DUPLICATE	QA Contact:	meital avital <mavital>
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	4.0.7	CC:	lsurette, rbalakri, Rhev-m-bugs, sraje, srevivo, tjelinek, ykaul
Target Milestone:	---
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:		Environment:
Last Closed:	2017-05-31 08:12:46 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	Virt	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Sachin Raje 2017-05-25 17:40:57 UTC

Description of problem:

Customer faced the VM live migration issue but it's hard to understand the reason for failure from displayed error messages. 

Vm was having "Direct lun".


Version-Release number of selected component (if applicable):
rhevm-4.0.7.4-0.1


How reproducible:
Always


Steps to Reproduce:
1. Try to reproduce the VM live migration failure attempt.


Actual results:

The error message display on RHV-M GUI events window are as below,

==>>
Migration failed  (VM: xxxx, Source: xxxx).

Failed to migrate VM xxxxxx to Host xxxxxx. Trying to migrate to another Host.

No available host was found to migrate VM xxxxxxx to.
==>>


Expected results:

Better informative error message which can show the exact reason for failure which could help understanding the problem better.

e.g.

==>>
Failed to migrate VM xxxxxx to Host xxxxxx. (Direct LUN xxx-xxxx-xxxx--xx is missing)

No available host was found to migrate VM xxxxxxx to.
==>>


Additional info: