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Bug 1214936

Summary:	After import of existing storage domain, VMs with two virtio-scsi disks will not boot
Product:	Red Hat Enterprise Virtualization Manager	Reporter:	Jake Hunsaker <jhunsaker>
Component:	ovirt-engine	Assignee:	Maor <mlipchuk>
Status:	CLOSED ERRATA	QA Contact:	lkuchlan <lkuchlan>
Severity:	high	Docs Contact:
Priority:	high
Version:	3.5.0	CC:	acanan, amureini, lpeer, lsurette, mlipchuk, rbalakri, Rhev-m-bugs, tnisan, yeylon, ykaul, ylavi
Target Milestone:	ovirt-3.6.0-rc	Keywords:	ZStream
Target Release:	3.6.0	Flags:	ylavi: Triaged+
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	ovirt-engine-3.6.0_alpha1	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	1215923 (view as bug list)		Environment:
Last Closed:	2016-03-09 21:05:33 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:
Bug Depends On:
Bug Blocks:	1215923

Description Jake Hunsaker 2015-04-23 21:53:19 UTC

Description of problem:

After importing a storage domain to a new RHEV-M, if a VM has two virtio-scsi disks attached, the VM will not boot. The console for the VM will fail with a "no bootable device" error.

Even if the second, non-OS, disk is deactivate and the VM is started with *just* the OS disk activated, the VM hits the same error.

Version-Release number of selected component (if applicable):
rhevm-3.5.0
RHEL 7 hypervisor
kernel-3.10.0-229.1.2.el7
vdsm 4.16.8.1-8.el7

How reproducible:
Always for this customer

Steps to Reproduce:
1. Import SD from Prod RHEV-M to DR
2. Import VMs
3. Try to start a VM with two virtio-scsi disks attached

Actual results:
VM does not boot

Expected results:
VM should boot

Additional info:

In testing this, the only common factor is that the VM(s) that have two virtio-scsi disks attached.

If a vm has two virtio disks or one virtio and one virtio-scsi the VM boots just fine. The issue only appears when both disks are virtio-scsi.

Further, in looking at the SPM the symlinks for the disks under the /rhev/data-center/... path are broken for the VMs that have two virtio-scsi disks.

Comment 3 Maor 2015-04-27 12:32:03 UTC

It looks this this is already solved as part of 
https://bugzilla.redhat.com/1197444 with patch https://gerrit.ovirt.org/#/c/38242/

Since this bug is modified, I'm moving this bug also to Modify

Comment 4 Allon Mureinik 2015-04-27 12:43:12 UTC

(In reply to Maor from comment #3)
> It looks this this is already solved as part of 
> https://bugzilla.redhat.com/1197444 with patch
> https://gerrit.ovirt.org/#/c/38242/
> 
> Since this bug is modified, I'm moving this bug also to Modify
Good!

Aharon/Yaniv - can you please provide acks so this bug can be cloned and verified properly.

Comment 6 lkuchlan 2015-06-07 10:54:39 UTC

Tested using:
ovirt-engine-3.6.0-0.0.master.20150519172219.git9a2e2b3.el6.noarch
vdsm-4.17.0-822.git9b11a18.el7.noarch

Verification instructions:
1. Import SD from Prod RHEV-M to DR
2. Import VMs
3. Try to start a VM with two virtio-scsi disks attached

Results:
VM with two virtio-scsi disks is bootable

Comment 8 errata-xmlrpc 2016-03-09 21:05:33 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHEA-2016-0376.html