Re: [ovirt-users] Can oVirt run on VM of VirtualBox or Guest of KVM/QEMU, just for testing ?

2017-10-26 Thread Yaniv Kaul 
On Oct 27, 2017 7:24 AM, "Stephen Liu"  wrote:

Hi all,

Can oVirt run on VM of VirtualBox or Guest of KVM/QEMU, just for testing ?


Yes, you can. You need to enable nested virtualization.
Y.


I have been running both VirtualBox and KVM/QEMU for prolonged time.  I
never tried oVirt before.  Now I'm prepared testing oVirt but I have only 2
PCs, one running KVM/QEMU and another VirtualBox.  If I can't install oVirt
on VM of VirtualBox nor on Guest of KVM/QEMU then I have to get a new HD
for testing oVirt?

Please advise.  Thanks

Regards
SL

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[ovirt-users] Can oVirt run on VM of VirtualBox or Guest of KVM/QEMU, just for testing ?

2017-10-26 Thread Stephen Liu 
Hi all,

Can oVirt run on VM of VirtualBox or Guest of KVM/QEMU, just for testing ?

I have been running both VirtualBox and KVM/QEMU for prolonged time.  I never 
tried oVirt before.  Now I'm prepared testing oVirt but I have only 2 PCs, one 
running KVM/QEMU and another VirtualBox.  If I can't install oVirt on VM of 
VirtualBox nor on Guest of KVM/QEMU then I have to get a new HD for testing 
oVirt?

Please advise.  Thanks

Regards
SL
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Re: [ovirt-users] oVirt Node 4.1.6 on IBM x3650 M3

2017-10-26 Thread Jonathan Baecker 

Thank you, good to know that this works! I need to play a bit with it.


Am 26.10.2017 um 21:59 schrieb Eduardo Mayoral:

Yes, I use power management with ipmilan, no issues.

I do have license on the IMM for remote console, but that is not a
requirement, AFAIK.

I remember I first tried to use for oVirt a dedicated login on the IMM
with just "Remote Server Power/Restart Access" and I could not get to
work, so I just granted "Supervisor" to the dedicated login. Other than
that, no problem.

Eduardo Mayoral Jimeno (emayo...@arsys.es)
Administrador de sistemas. Departamento de Plataformas. Arsys internet.
+34 941 620 145 ext. 5153

On 26/10/17 21:47, Jonathan Baecker wrote:

Thank you, for your commands! I have now also install CentOS minimal,
this works. I only though that oVirt Node have some optimizations, but
maybe not.

@Eduardo Mayoral, can I ask you that you are able with this servers,
to use the power management? As I understand, they support ipmilan,
but I don't know how...

Regards
Jonathan

Am 24.10.2017 um 23:41 schrieb Sean McMurray:

I have seen this problem before. For some reason, oVirt Node 4.1.x
does not always install everything right for efi. In my limited
experience, it fails to do it correctly 4 out of 5 times. The mystery
to me is why it gets it right sometimes. I solve the problem by
manually copying the missing file into my efi boot partition.


On 10/24/2017 12:46 PM, Eduardo Mayoral wrote:

3 of my compute nodes are IBM x3650 M3 . I do not use oVirt Node but
rather plain CentOS 7 for the compute nodes. I use 4.1.6 too.

I remember I had a bad time trying to disable UEFI on the BIOS of
those servers. In my opinion, the firmware in that model ridden with
problems. In the end, I installed with UEFI (You will need a
/boot/efi partition)

Once installed, I have not had any issues with them.

Eduardo Mayoral Jimeno (emayo...@arsys.es)
Administrador de sistemas. Departamento de Plataformas. Arsys internet.
+34 941 620 145 ext. 5153
On 24/10/17 09:57, Jon bae wrote:

Hello everybody,
I would like to install oVirt Node on a IBM Machine, but after the
installation it can not boot. I get the message:

"/boot/efi/..." file not found

I try many different things like turn of uefi options in bios etc.
but with no effect.

Now I figure out that when I install full CentOS 7.3 from live DVD
it just boot normal.

Is there any workaround to get this to work?

Regards

Jonathan


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Re: [ovirt-users] oVirt Node 4.1.6 on IBM x3650 M3

2017-10-26 Thread Eduardo Mayoral 
Yes, I use power management with ipmilan, no issues.

I do have license on the IMM for remote console, but that is not a
requirement, AFAIK.

I remember I first tried to use for oVirt a dedicated login on the IMM
with just "Remote Server Power/Restart Access" and I could not get to
work, so I just granted "Supervisor" to the dedicated login. Other than
that, no problem.

Eduardo Mayoral Jimeno (emayo...@arsys.es)
Administrador de sistemas. Departamento de Plataformas. Arsys internet.
+34 941 620 145 ext. 5153

On 26/10/17 21:47, Jonathan Baecker wrote:
> Thank you, for your commands! I have now also install CentOS minimal,
> this works. I only though that oVirt Node have some optimizations, but
> maybe not.
>
> @Eduardo Mayoral, can I ask you that you are able with this servers,
> to use the power management? As I understand, they support ipmilan,
> but I don't know how...
>
> Regards
> Jonathan
>
> Am 24.10.2017 um 23:41 schrieb Sean McMurray:
>> I have seen this problem before. For some reason, oVirt Node 4.1.x
>> does not always install everything right for efi. In my limited
>> experience, it fails to do it correctly 4 out of 5 times. The mystery
>> to me is why it gets it right sometimes. I solve the problem by
>> manually copying the missing file into my efi boot partition.
>>
>>
>> On 10/24/2017 12:46 PM, Eduardo Mayoral wrote:
>>>
>>> 3 of my compute nodes are IBM x3650 M3 . I do not use oVirt Node but
>>> rather plain CentOS 7 for the compute nodes. I use 4.1.6 too.
>>>
>>> I remember I had a bad time trying to disable UEFI on the BIOS of
>>> those servers. In my opinion, the firmware in that model ridden with
>>> problems. In the end, I installed with UEFI (You will need a
>>> /boot/efi partition)
>>>
>>> Once installed, I have not had any issues with them.
>>>
>>> Eduardo Mayoral Jimeno (emayo...@arsys.es)
>>> Administrador de sistemas. Departamento de Plataformas. Arsys internet.
>>> +34 941 620 145 ext. 5153
>>> On 24/10/17 09:57, Jon bae wrote:
 Hello everybody,
 I would like to install oVirt Node on a IBM Machine, but after the
 installation it can not boot. I get the message:

 "/boot/efi/..." file not found

 I try many different things like turn of uefi options in bios etc.
 but with no effect.

 Now I figure out that when I install full CentOS 7.3 from live DVD
 it just boot normal.

 Is there any workaround to get this to work?

 Regards

 Jonathan


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 Users@ovirt.org
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Re: [ovirt-users] oVirt Node 4.1.6 on IBM x3650 M3

2017-10-26 Thread Jonathan Baecker 
Thank you, for your commands! I have now also install CentOS minimal, 
this works. I only though that oVirt Node have some optimizations, but 
maybe not.


@Eduardo Mayoral, can I ask you that you are able with this servers, to 
use the power management? As I understand, they support ipmilan, but I 
don't know how...


Regards
Jonathan

Am 24.10.2017 um 23:41 schrieb Sean McMurray:
I have seen this problem before. For some reason, oVirt Node 4.1.x 
does not always install everything right for efi. In my limited 
experience, it fails to do it correctly 4 out of 5 times. The mystery 
to me is why it gets it right sometimes. I solve the problem by 
manually copying the missing file into my efi boot partition.



On 10/24/2017 12:46 PM, Eduardo Mayoral wrote:


3 of my compute nodes are IBM x3650 M3 . I do not use oVirt Node but 
rather plain CentOS 7 for the compute nodes. I use 4.1.6 too.


I remember I had a bad time trying to disable UEFI on the BIOS of 
those servers. In my opinion, the firmware in that model ridden with 
problems. In the end, I installed with UEFI (You will need a 
/boot/efi partition)


Once installed, I have not had any issues with them.

Eduardo Mayoral Jimeno (emayo...@arsys.es)
Administrador de sistemas. Departamento de Plataformas. Arsys internet.
+34 941 620 145 ext. 5153
On 24/10/17 09:57, Jon bae wrote:

Hello everybody,
I would like to install oVirt Node on a IBM Machine, but after the 
installation it can not boot. I get the message:


"/boot/efi/..." file not found

I try many different things like turn of uefi options in bios etc. 
but with no effect.


Now I figure out that when I install full CentOS 7.3 from live DVD 
it just boot normal.


Is there any workaround to get this to work?

Regards

Jonathan


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Re: [ovirt-users] ovirtmgmt network security

2017-10-26 Thread Luca 'remix_tj' Lorenzetto 
Hello,

On the dmz Network you don't need any address configured on the host.

You set ip address only on the vm. If the vm gets compromised, its access
is limited only to DMZ Network.

 There is no way for the attacker to gain access to ovirtmgmt if vm is not
configured to use it.

Luca

Il 26 ott 2017 6:32 PM, "Istvan Buki"  ha scritto:

> Hello ovirt experts,
>
> I'm totally new to ovirt and trying to learn as fast as I can.So, please
> bear with me and my possibly stupid questions.
> Sorry if my questions have been answered already, but please point me to
> the place where I can find the answers.
>
> I've setup ovirt 4.1.6 and created a first VM that I want to expose in a
> DMZ.
> I attached a dedicated NIC to the VM using passthrough which is connected
> to the DMZ network. This is all working as expected.
>
> Now,I'm wondering what to do about the ovirtmgmt interface. Obviously, in
> case the security of the VM is compromised and someone get unautorized
> access to it I do not want the attacker to have access to my internal
> network through the ovirtmgmt interface.
>
> The most secure solution would be to remove that ovirtmgmt interface but
> then I loose management functionalities.
> Can you suggest the possible solutions to protect the ovirtmgmt network
> from unwanted access?
>
> Thanks for your answers
>
> Istvan
>
>
>
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[ovirt-users] ovirtmgmt network security

2017-10-26 Thread Istvan Buki 
Hello ovirt experts,

I'm totally new to ovirt and trying to learn as fast as I can.So, please
bear with me and my possibly stupid questions.
Sorry if my questions have been answered already, but please point me to
the place where I can find the answers.

I've setup ovirt 4.1.6 and created a first VM that I want to expose in a
DMZ.
I attached a dedicated NIC to the VM using passthrough which is connected
to the DMZ network. This is all working as expected.

Now,I'm wondering what to do about the ovirtmgmt interface. Obviously, in
case the security of the VM is compromised and someone get unautorized
access to it I do not want the attacker to have access to my internal
network through the ovirtmgmt interface.

The most secure solution would be to remove that ovirtmgmt interface but
then I loose management functionalities.
Can you suggest the possible solutions to protect the ovirtmgmt network
from unwanted access?

Thanks for your answers

Istvan
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Re: [ovirt-users] Storage Performance

2017-10-26 Thread Yaniv Kaul 
On Oct 26, 2017 6:16 PM, "Bryan Sockel"  wrote:

My server load is pretty light.  Currently there is no more than 15-20 VM's
running on my ovirt config.  Attached are performance testing results on
the local host and from a windows box.  I have also attached my gluster
volume configuration.   There seems to be a significant performance loss
between server performance and guest performance.  Not sure if it is
related to my limited bandwidth, mismatched server hardware or something
else.


I would begin by comparing the host performance with a Linux guest, then
move on to Windows. Also, please ensure the rng driver is installed (I
assume you already use virtio or virtio-scsi).
Y.



When not performing any major disk intensive activities system typically
runs at less than 10 MiB/s.  Network activity about 100 Mbps.

Does anyone know if there is any sort of best practices document when it
comes to hardware setup for gluster? Specifically related to hardware raid
vs JBOD, stripe size, brick configuration etc.

Thanks
Bryan



-Original Message-
From: Juan Pablo 
To: Bryan Sockel 
Cc: "users@ovirt.org" 
Date: Thu, 26 Oct 2017 09:59:16 -0300
Subject: Re: [ovirt-users] Storage Performance

Hi, can you check IOPS? and state # of VM's ? do : iostat -x 1 for a while
=)

Isnt RAID discouraged ? AFAIK gluster likes JBOD, am I wrong?


regards,
JP

2017-10-25 12:05 GMT-03:00 Bryan Sockel :
>
> Have a question in regards to storage performance.  I have a gluster
> replica 3 volume that we are testing for performance.  In my current
> configuration is 1 server has 16X1.2TB( 10K 2.5 Inch) drives configured in
> Raid 10 with a 256k stripe.  My 2nd server is configured with 4X6TB (3.5
> Inch Drives) configured Raid 10 with a 256k stripe.  Each server is
> configured with 802.3 Bond (4X1GB) network links.  Each server is
> configured with write-back on the raid controller.
>
> I am seeing a lot of network usage (solid 3 Gbps) when i perform file
> copies on the vm attached to that gluster volume,  But i see spikes on the
> disk io when watching the dashboard through the cockpit interface.  I
> spikes are up to 1.5 Gbps, but i would say the average through put is maybe
> 256 Mbps.
>
> Is this to be expected, or should it be a solid activity in the graphs for
> disk IO.  Is it better to use a 256K stripe or a 512 strip on the hardware
> raid configuration?
>
> Eventually i plan on having the hardware match up for better performance.
>
>
> Thanks
>
> Bryan
>
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Re: [ovirt-users] Storage Performance

2017-10-26 Thread FERNANDO FREDIANI 
That was my impression too, but unfortunately someone told in this mail 
list recently that Gluster isn't that clever to work without RAID 
Controllers and when disks fail it imposes some difficulties for 
replacement. Perhaps someone with more knowledge could clarify this 
point which certainly is beneficial to people.


Fernando


On 26/10/2017 10:59, Juan Pablo wrote:
Hi, can you check IOPS? and state # of VM's ? do : iostat -x 1 for a 
while =)


Isnt RAID discouraged ? AFAIK gluster likes JBOD, am I wrong?


regards,
JP

2017-10-25 12:05 GMT-03:00 Bryan Sockel >:


Have a question in regards to storage performance.  I have a
gluster replica 3 volume that we are testing for performance.  In
my current configuration is 1 server has 16X1.2TB( 10K 2.5
Inch) drives configured in Raid 10 with a 256k stripe. My 2nd
server is configured with 4X6TB (3.5 Inch Drives) configured Raid
10 with a 256k stripe.  Each server is configured with 802.3 Bond
(4X1GB) network links.  Each server is configured with write-back
on the raid controller.
I am seeing a lot of network usage (solid 3 Gbps) when i perform
file copies on the vm attached to that gluster volume,  But i see
spikes on the disk io when watching the dashboard through the
cockpit interface.  I spikes are up to 1.5 Gbps, but i would say
the average through put is maybe 256 Mbps.
Is this to be expected, or should it be a solid activity in the
graphs for disk IO.  Is it better to use a 256K stripe or a 512
strip on the hardware raid configuration?
Eventually i plan on having the hardware match up for better
performance.
Thanks
Bryan

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Re: [ovirt-users] Storage Performance

2017-10-26 Thread Juan Pablo 
Hi, can you check IOPS? and state # of VM's ? do : iostat -x 1 for a while
=)

Isnt RAID discouraged ? AFAIK gluster likes JBOD, am I wrong?


regards,
JP

2017-10-25 12:05 GMT-03:00 Bryan Sockel :

> Have a question in regards to storage performance.  I have a gluster
> replica 3 volume that we are testing for performance.  In my current
> configuration is 1 server has 16X1.2TB( 10K 2.5 Inch) drives configured in
> Raid 10 with a 256k stripe.  My 2nd server is configured with 4X6TB (3.5
> Inch Drives) configured Raid 10 with a 256k stripe.  Each server is
> configured with 802.3 Bond (4X1GB) network links.  Each server is
> configured with write-back on the raid controller.
>
> I am seeing a lot of network usage (solid 3 Gbps) when i perform file
> copies on the vm attached to that gluster volume,  But i see spikes on the
> disk io when watching the dashboard through the cockpit interface.  I
> spikes are up to 1.5 Gbps, but i would say the average through put is maybe
> 256 Mbps.
>
> Is this to be expected, or should it be a solid activity in the graphs for
> disk IO.  Is it better to use a 256K stripe or a 512 strip on the hardware
> raid configuration?
>
> Eventually i plan on having the hardware match up for better performance.
>
>
> Thanks
>
> Bryan
>
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Re: [ovirt-users] Bad volume specification after hung migration

2017-10-26 Thread Michal Skrivanek 

> On 26 Oct 2017, at 12:32, Roberto Nunin  wrote:
> 
> Hi Michael
> 
> By frozen I mean the action to put host in maintenance while some VM were 
> running on it.
> This action wasn't completed after more than one hour.

ok, and was the problem in this last VM not finishing the migration? Was it 
migrating at all? If yes, what was the progress in UI, any failures? There are 
various timeouts which should have been triggered, so if they were not 
triggered it would indeed point to some internal issue. Would be great to 
attach source and destination vdsm.log

> Thinking that shutting down the VM could help, I've done it. Looking at 
> results, not.

What was the result? Did it fail to shut down? Did you use Power Off to force 
immediate shutdown? If it was migrating, did you try to cancel the migration 
first?

> 
> Yes, I've restarted the ovirt-engine service, I've still not restarted the 
> hosted-engine VM.

well, it’s not only a universal “fix” of various things, sometimes it does more 
harm than benefit too. Logs would be helpful.

> Hosts still not restarted. Do you think can help ?

hard to say. Either way please salvage logs first

> 
> Obviously we will migrate, this activities are enabling us to have redundancy 
> at the storage level, then we will migrate to 4.1.x

great:)

Thanks,
michal

> 
> Thanks
> 
> 2017-10-26 12:26 GMT+02:00 Michal Skrivanek  >:
> 
>> On 26 Oct 2017, at 10:20, Roberto Nunin > > wrote:
>> 
>> We are running 4.0.1.1-1.el7.centos
> 
> Hi,
> any reason not to upgrade to 4.1?
> 
>> 
>> After a frozen migration attempt, we have two VM that after shutdown, are 
>> not anymore able to be started up again.
> 
> what do you mean by frozen? Are you talking about "VM live migration" or 
> “live storage migration”?
> How exactly did you resolve that situation, you only shut down those VMs? No 
> other troubleshooting steps, e.g. restarting engine, hosts, things like that?
> 
> Thanks,
> michal
>> 
>> Message returned is :
>> 
>> Bad volume specification {'index': '0', u'domainID': 
>> u'731d95a9-61a7-4c7a-813b-fb1c3dde47ea', 'reqsize': '0', u'format': u'cow', 
>> u'optional': u'false', u'address': {u'function': u'0x0', u'bus': u'0x00', 
>> u'domain': u'0x', u'type': u'pci', u'slot': u'0x05'}, u'volumeID': 
>> u'cffc70ff-ed72-46ef-a369-4be95de72260', 'apparentsize': '3221225472', 
>> u'imageID': u'3fe5a849-bcc2-42d3-93c5aca4c504515b', u'specParams': {}, 
>> u'readonly': u'false', u'iface': u'virtio', u'deviceId': 
>> u'3fe5a849bcc2-42d3-93c5-aca4c504515b', 'truesize': '3221225472', u'poolID': 
>> u'0001-0001-0001-0001-01ec', u'device': u'disk', u'shared': 
>> u'false', u'propagateErrors': u'off',u'type':u'disk'}
>> 
>> Probably this is caused by a wrong pointer into the database that still 
>> refer to the migration image-id.
>> 
>> If we search within all_disks view, we can find that parentid field isn't 
>> ---- like all other running vm, but it has a 
>> value:
>> 
>>vm_names   |   parentid
>> --+--
>>  working01.company.xx | ----
>>  working02.company.xx | ----
>>  working03.company.xx | ----
>>  working04.company.xx | ----
>>  broken001.company.xx | 30533842-2c83-4d0e-95d2-48162dbe23bd <
>>  working05.company.xx | ----
>> 
>> 
>> How we can recover from this ?
>> 
>> Thanks in advance
>> Regards,
>> 
>> -- 
>> Robert​o​
>> 
>> 
>> 
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> 
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> -- 
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> 
> 
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Re: [ovirt-users] Bad volume specification after hung migration

2017-10-26 Thread Michal Skrivanek 

> On 26 Oct 2017, at 10:20, Roberto Nunin  wrote:
> 
> We are running 4.0.1.1-1.el7.centos

Hi,
any reason not to upgrade to 4.1?

> 
> After a frozen migration attempt, we have two VM that after shutdown, are not 
> anymore able to be started up again.

what do you mean by frozen? Are you talking about "VM live migration" or “live 
storage migration”?
How exactly did you resolve that situation, you only shut down those VMs? No 
other troubleshooting steps, e.g. restarting engine, hosts, things like that?

Thanks,
michal
> 
> Message returned is :
> 
> Bad volume specification {'index': '0', u'domainID': 
> u'731d95a9-61a7-4c7a-813b-fb1c3dde47ea', 'reqsize': '0', u'format': u'cow', 
> u'optional': u'false', u'address': {u'function': u'0x0', u'bus': u'0x00', 
> u'domain': u'0x', u'type': u'pci', u'slot': u'0x05'}, u'volumeID': 
> u'cffc70ff-ed72-46ef-a369-4be95de72260', 'apparentsize': '3221225472', 
> u'imageID': u'3fe5a849-bcc2-42d3-93c5aca4c504515b', u'specParams': {}, 
> u'readonly': u'false', u'iface': u'virtio', u'deviceId': 
> u'3fe5a849bcc2-42d3-93c5-aca4c504515b', 'truesize': '3221225472', u'poolID': 
> u'0001-0001-0001-0001-01ec', u'device': u'disk', u'shared': 
> u'false', u'propagateErrors': u'off',u'type':u'disk'}
> 
> Probably this is caused by a wrong pointer into the database that still refer 
> to the migration image-id.
> 
> If we search within all_disks view, we can find that parentid field isn't 
> ---- like all other running vm, but it has a 
> value:
> 
>vm_names   |   parentid
> --+--
>  working01.company.xx | ----
>  working02.company.xx | ----
>  working03.company.xx | ----
>  working04.company.xx | ----
>  broken001.company.xx | 30533842-2c83-4d0e-95d2-48162dbe23bd <
>  working05.company.xx | ----
> 
> 
> How we can recover from this ?
> 
> Thanks in advance
> Regards,
> 
> -- 
> Robert​o​
> 
> 
> 
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[ovirt-users] Bad volume specification after hung migration

2017-10-26 Thread Roberto Nunin 
We are running 4.0.1.1-1.el7.centos

After a frozen migration attempt, we have two VM that after shutdown, are
not anymore able to be started up again.

Message returned is :

Bad volume specification {'index': '0', u'domainID':
u'731d95a9-61a7-4c7a-813b-fb1c3dde47ea', 'reqsize': '0', u'format': u'cow',
u'optional': u'false', u'address': {u'function': u'0x0', u'bus': u'0x00',
u'domain': u'0x', u'type': u'pci', u'slot': u'0x05'}, u'volumeID':
u'cffc70ff-ed72-46ef-a369-4be95de72260', 'apparentsize': '3221225472',
u'imageID': u'3fe5a849-bcc2-42d3-93c5aca4c504515b', u'specParams': {},
u'readonly': u'false', u'iface': u'virtio', u'deviceId':
u'3fe5a849bcc2-42d3-93c5-aca4c504515b', 'truesize': '3221225472',
u'poolID': u'0001-0001-0001-0001-01ec', u'device': u'disk',
u'shared': u'false', u'propagateErrors': u'off',u'type':u'disk'}

Probably this is caused by a wrong pointer into the database that still
refer to the migration image-id.

If we search within all_disks view, we can find that parentid field
isn't ----
like all other running vm, but it has a value:

   vm_names   |   parentid
--+--
 working01.company.xx | ----
 working02.company.xx | ----
 working03.company.xx | ----
 working04.company.xx | ----
 broken001.company.xx | 30533842-2c83-4d0e-95d2-48162dbe23bd <
 working05.company.xx | ----


How we can recover from this ?

Thanks in advance
Regards,

-- 
Robert
​o​
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