[ovirt-users] not able to upload disks, iso - Connection to ovirt-imageio service has failed. Ensure that ovirt-engine certificate is registered as a valid CA in the browser.

[dhanaraj.ramesh--- via Users]

Hi 

We are unning with 4.4.3.12-1.el8 version and so far working fine, but today 
users complained they are unable to upload new disks and upon checking found 
"Connection to ovirt-imageio service has failed. Ensure that ovirt-engine 
certificate is registered as a valid CA in the browser" during testing option. 
please help on this and if there is any temp solution is available share me the 
steps 
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[ovirt-users] Re: 2021 first ovirt network question

[ozmen62]

OK, meybe it's not the network issue.
So, can you offer me a specific guide/way to increase spice server performance?
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[ovirt-users] Re: Ovirt Cluster SSH key exchange

[Jayme]

It takes a very small amount of effort to do it one time using ssh-copy-id
but I suppose you could easily do it with Ansible too.


On Thu, Jan 7, 2021 at 11:42 AM marcel d'heureuse 
wrote:

> hi,
>
> we have setup a ovirt system with 9 hosts.
> we will now add three more nodes and we have to exchange from each host
> the SSH public keys to the other one.
>
> we use ovirt 4.3 on centos 7.
>
> how did you exchange the SSH keys? did you have ansible to do this or
> other tools?
>
> ssh-copy-id is not the best process here and waste time.
>
> br
> marcel
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[ovirt-users] Re: QEMU error qemuDomainAgentAvailable in /var/log/messages

[Nir Soffer]

On Thu, Jan 7, 2021 at 2:51 PM  wrote:
>
> Hello everyone and a happy new year!
>
> I have a question which might be silly but I am stumped. I keep getting the 
> following error in my /var/log/messages
>
> Jan 5 12:20:30 ovno3 libvirtd: 2021-01-05 10:20:30.481+: 5283: error : 
> qemuDomainAgentAvailable:9133 : Guest agent is not responding: QEMU guest 
> agent is not connected
>
> This entry appears on the arbitrary node only and it has a recurrence of 5 
> minutes.

Did not install qemu-guest-agent in the guest? Is it
qemu-guest-agent.service running?

> I have GlusterFS on the ovirt environment (production environment) and it's 
> serving several vital services. The VMs are running ok and I haven't noticed 
> any discrepancy. Almost a week ago there was a disconnection on the gluster 
> storage but since then everything works as expected.
>
> Does anyone know what this error is and if there is a guide or something to 
> fix it? I have no idea what to search and where.

If you don't use snapshots or backup, and you don't need to know the
guest IP address
you can ignore this issue. Otherwise you should install and make sure the guest
agent service is running.

Nir
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[ovirt-users] Re: how to build oVirt engine on eclipse?

[Nir Soffer]

On Thu, Jan 7, 2021 at 8:20 PM Henry lol  wrote:
...
> I've just only imported existing maven projects from engine's git, but there 
> were so many errors and failed to build.
>
> Should I do some configurations before importing?

There are some dependencies mentioned in README.adoc.

I think most developers are using IntelliJ IDEA
https://www.jetbrains.com/idea/

But I don't think anyone is building from the IDE. You can build using:

make clean install-dev PREFIX="$HOME/ovirt-engine"

See README.adoc for more info on building engine.

Adding de...@ovirt.org since this question is not about using ovirt.

Nir
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[ovirt-users] Re: VMs shut down after backup: "moved from 'Up' --> 'Down'" only on RHEL hosts

[Nir Soffer]

On Thu, Jan 7, 2021, 16:48 Łukasz Kołaciński 
wrote:
...

> *2020-12-08 10:18:35,451+01 INFO
>  [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer]
> (ForkJoinPool-1-worker-31) [] VM
> '35183baa-1c70-4016-b7cd-528889876f19'(stor2rrd) moved from 'Up' --> 'Down'*
> *2020-12-08 10:18:35,466+01 ERROR
> [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
> (ForkJoinPool-1-worker-31) [] EVENT_ID: VM_DOWN_ERROR(119), VM stor2rrd is
> down with error. Exit message: Lost connection with qemu process.*
>

Looks like qemu crashed when stopping the backup.

Can you file a bug for this, and attach logs?

We these logs from host the vm was running on:
- /var/log/vdsm/vdsm.log (the right log showing the time backup was stopped)
- /var/log/ovirt-imageio/daemon.log
- /var/log/libvirt/libvird.log (may be missing)
- /var/log/libvirt/qemu/.log

Also the vm xml (virsh -r dumpxml vm-name).

...

> The environment of faulty host is:
> OS Version: RHEL - 8.3 - 1.0.el8
> OS Description: Red Hat Enterprise Linux 8.3 (Ootpa)
> Kernel Version: 4.18.0 - 240.1.1.el8_3.x86_64
> KVM Version: 5.1.0 - 14.module+el8.3.0+8438+644aff69
> LIBVIRT Version: libvirt-6.6.0-7.module+el8.3.0+8424+5ea525c5
>

I never had any issue with these version:

# rpm -q libvirt-daemon qemu-kvm
libvirt-daemon-6.6.0-8.module+el8.3.1+8648+130818f2.x86_64
qemu-kvm-5.1.0-13.module+el8.3.0+8424+e82f331d.x86_64

Looks like you run older libvirt version, but have newer qemu version.
Where did you got these packages?

Are you running on RHEL or Centos?

Nir
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[ovirt-users] how to build oVirt engine on eclipse?

[Henry lol]

hello,

I've just only imported existing maven projects from engine's git, but
there were so many errors and failed to build.

Should I do some configurations before importing?
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[ovirt-users] Re: 2021 first ovirt network question

[Alex K]

On Thu, Jan 7, 2021, 16:14  wrote:

> Thanks for advice.
> Here is the iperf3 test results
>
> Connecting to host xyz.example.com, port 6000
> [  4] local XXX.XXX.XXX.XXX port 36140 connected to XYZ.XYZ.XYZ.XYZ port
> 6000
> [ ID] Interval   Transfer Bandwidth   Retr  Cwnd
> [  4]   0.00-1.00   sec  81.9 MBytes   687 Mbits/sec0352 KBytes
>
> [  4]   1.00-2.00   sec  80.5 MBytes   676 Mbits/sec0352 KBytes
>
> [  4]   2.00-3.00   sec  80.5 MBytes   676 Mbits/sec0362 KBytes
>
> [  4]   3.00-4.00   sec  79.8 MBytes   669 Mbits/sec0362 KBytes
>
> [  4]   4.00-5.00   sec  80.6 MBytes   676 Mbits/sec0362 KBytes
>
> [  4]   5.00-6.00   sec  82.0 MBytes   688 Mbits/sec0362 KBytes
>
> [  4]   6.00-7.00   sec  81.3 MBytes   682 Mbits/sec0362 KBytes
>
> [  4]   7.00-8.00   sec  80.5 MBytes   676 Mbits/sec0362 KBytes
>
> [  4]   8.00-9.00   sec  80.5 MBytes   676 Mbits/sec0362 KBytes
>
> [  4]   9.00-10.00  sec  79.8 MBytes   669 Mbits/sec0362 KBytes
>
Assuming xyz.example.com is in the display network you need to find out
what is throttling you at these values.

>
> Actually, what i was trying to ask is is there any reletion between
> "default route" and "display" network on oVirt network.
>
No, they should not be related

Because, if there is, it might be the source of the problem.
> As i wrote above, my "ovirtmanagement" and "default route"  network on the
> 1Gb port
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[ovirt-users] Re: how to fix time-drift on el8 hosts?

[tfe...@swissonline.ch]

We recently had a similar discussion in the Bhyve community.

The consensus was that it is not desirable to use both time sync 
mechanisms in parallel: guest-tools and chronyd (or ntpd)


Now it would be good to know if oVirt-guest-agent is attempting to sync 
the VM's clock with the host clock.


If so, it may be worth trying to disable chronyd/ntpd and see if the 
time sync by the guest-agent does a better job.


In any case, the host's clock should be properly synchronized with the 
real world time.



Kind regards

Toni Feric


On 07.01.21 15:43, Strahil Nikolov via Users wrote:

Are you sure that the problem is not in the HostedEngine ?

Sync your host and then verify the situation on the HE

Best Regards,
Strahil Nikolov






В четвъртък, 7 януари 2021 г., 11:46:09 Гринуич+2, Nathanaël Blanchet 
 написа:







Hello,

Engine complains about my fresh el8 ovirt 4.4.3 node host:


"Host hadriacus has time-drift of 3202 seconds while maximum configured value is 300 
seconds."

I tried to fix it with these commands:

sudo chronyc -a makestep
chronyc sources
chronyc tracking

... but the host is still not synchronized.

How should I proceed?


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[ovirt-users] Ovirt Cluster SSH key exchange

[marcel d'heureuse]

hi,

we have setup a ovirt system with 9 hosts.
we will now add three more nodes and we have to exchange from each host the SSH 
public keys to the other one. 

we use ovirt 4.3 on centos 7. 

how did you exchange the SSH keys? did you have ansible to do this or other 
tools?

ssh-copy-id is not the best process here and waste time. 

br
marcel
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[ovirt-users] Re: how to fix time-drift on el8 hosts?

[Strahil Nikolov via Users]

Are you sure that the problem is not in the HostedEngine ?

Sync your host and then verify the situation on the HE

Best Regards,
Strahil Nikolov






В четвъртък, 7 януари 2021 г., 11:46:09 Гринуич+2, Nathanaël Blanchet 
 написа: 







Hello,

Engine complains about my fresh el8 ovirt 4.4.3 node host:


"Host hadriacus has time-drift of 3202 seconds while maximum configured value 
is 300 seconds."

I tried to fix it with these commands:

sudo chronyc -a makestep
chronyc sources
chronyc tracking

... but the host is still not synchronized.

How should I proceed?

-- 
Nathanaël Blanchet

Supervision réseau
SIRE
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5 
Tél. 33 (0)4 67 54 84 55
Fax  33 (0)4 67 54 84 14
blanc...@abes.fr

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[ovirt-users] Re: CentOS Stream support

[Michal Skrivanek]

> On 5. 1. 2021, at 22:14, Alex K  wrote:
> 
> 
> 
> On Fri, Jun 5, 2020, 11:36 Michal Skrivanek  > wrote:
> Hi all,
> we would like to ask about interest in community about oVirt moving to CentOS 
> Stream.
> There were some requests before but it’s hard to see how many people would 
> really like to see that.
> 
> With CentOS releases lagging behind RHEL for months it’s interesting to 
> consider moving to CentOS Stream as it is much more up to date and allows us 
> to fix bugs faster, with less workarounds and overhead for maintaining old 
> code. E.g. our current integration tests do not really pass on CentOS 8.1 and 
> we can’t really do much about that other than wait for more up to date 
> packages. It would also bring us closer to make oVirt run smoothly on RHEL as 
> that is also much closer to Stream than it is to outdated CentOS.
> 
> So..would you like us to support CentOS Stream?
> The answer is yes, though I do not see any other option, if I'm not mistaken. 

...this was sent under very different circumstances:) Now it seems to be an 
easier call...

We will be probably moving to Stream a bit more. We did it already, but since 
there was very little interest it’s not entirely working across automation, CI, 
release processes.
It does depend on all the dependencies we consume so don’t expect it to happen 
in a month, it’s probably going to take a while 

To that note, there is also a possibility of oVirt on RHEL which some tried(or 
even use). It was not very helpful yet because again the dependencies are not 
really part of the OS and they are not being published in a way that we can 
consume them. But if this ever changes, it would be a good option for stable 
underlying OS and up-to-date oVirt….

> 
> We don’t really have capacity to run 3 different platforms, would you still 
> want oVirt to support CentOS Stream if it means “less support” for regular 
> CentOS? 
> There are some concerns about Stream being a bit less stable, do you share 
> those concerns?
> 
> Thank you for your comments,
> michal
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[ovirt-users] Re: Spliting login pages

[Gianluca Cecchi]

On Thu, Jan 7, 2021 at 3:18 PM  wrote:

> I believe it's a necessity. All portal are the same page. It's risky.
> Maybe we can use a WAF to solve the issue.
>
>
Risky for what?
You have to profile your users, depending on what you want them to be able
to do.
You can go to the landing page of many sensitive and critical
websites...you don't achieve security through obfuscation. Or at least it
has never been so in Linux / Open Source world
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[ovirt-users] Re: Spliting login pages

[ozmen62]

I believe it's a necessity. All portal are the same page. It's risky.
Maybe we can use a WAF to solve the issue.
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[ovirt-users] Re: 2021 first ovirt network question

[ozmen62]

Thanks for advice.
Here is the iperf3 test results

Connecting to host xyz.example.com, port 6000
[  4] local XXX.XXX.XXX.XXX port 36140 connected to XYZ.XYZ.XYZ.XYZ port 6000
[ ID] Interval   Transfer Bandwidth   Retr  Cwnd
[  4]   0.00-1.00   sec  81.9 MBytes   687 Mbits/sec0352 KBytes   
[  4]   1.00-2.00   sec  80.5 MBytes   676 Mbits/sec0352 KBytes   
[  4]   2.00-3.00   sec  80.5 MBytes   676 Mbits/sec0362 KBytes   
[  4]   3.00-4.00   sec  79.8 MBytes   669 Mbits/sec0362 KBytes   
[  4]   4.00-5.00   sec  80.6 MBytes   676 Mbits/sec0362 KBytes   
[  4]   5.00-6.00   sec  82.0 MBytes   688 Mbits/sec0362 KBytes   
[  4]   6.00-7.00   sec  81.3 MBytes   682 Mbits/sec0362 KBytes   
[  4]   7.00-8.00   sec  80.5 MBytes   676 Mbits/sec0362 KBytes   
[  4]   8.00-9.00   sec  80.5 MBytes   676 Mbits/sec0362 KBytes   
[  4]   9.00-10.00  sec  79.8 MBytes   669 Mbits/sec0362 KBytes

Actually, what i was trying to ask is is there any reletion between "default 
route" and "display" network on oVirt network.
Because, if there is, it might be the source of the problem.
As i wrote above, my "ovirtmanagement" and "default route"  network on the 1Gb 
port
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[ovirt-users] QEMU error qemuDomainAgentAvailable in /var/log/messages

[souvaliotimaria]

Hello everyone and a happy new year!

I have a question which might be silly but I am stumped. I keep getting the 
following error in my /var/log/messages

Jan 5 12:20:30 ovno3 libvirtd: 2021-01-05 10:20:30.481+: 5283: error : 
qemuDomainAgentAvailable:9133 : Guest agent is not responding: QEMU guest agent 
is not connected

This entry appears on the arbitrary node only and it has a recurrence of 5 
minutes.

I have GlusterFS on the ovirt environment (production environment) and it's 
serving several vital services. The VMs are running ok and I haven't noticed 
any discrepancy. Almost a week ago there was a disconnection on the gluster 
storage but since then everything works as expected.

Does anyone know what this error is and if there is a guide or something to fix 
it? I have no idea what to search and where.

Thank you all very much for your time!
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[ovirt-users] Re: OVirt 4.4.4 repository dependencies

[Stolpe, Lars (VI-B11)]

Ok, i‘ve found the problem. I did install ovirt-release44.rmp on RHEL7 for 
copy/paste repo data into Sattelite Server, and the dependencies repo was not 
installed. I did install on RHEL8 and all repos were installed.
Thanks for pointing out that in normal cases the ovirt-4.4-dependencies.repo 
should be installed too.

Lars Stolpe

Von: Sandro Bonazzola 
Gesendet: Donnerstag, 7. Januar 2021 11:36
An: Stolpe, Lars (VI-B11) 
Cc: oVirt Users 
Betreff: Re: [ovirt-users] OVirt 4.4.4 repository dependencies



Il giorno gio 7 gen 2021 alle ore 10:34 
mailto:lars.sto...@bvg.de>> ha scritto:
Hi,
in OVirt 4.3 and earlier i had to activate many repositorys beside OVirt4.3 
repo because of dependencies.
centos-sclo-rh-release
ovirt-4.3
ovirt-4.3-centos-gluster5
ovirt-4.3-centos-opstools
ovirt-4.3-centos-ovirt43
ovirt-4.3-centos-qemu-ev
ovirt-4.3-epel
ovirt-4.3-virtio-win-latest

in OVirt 4.4.4 documentation it is mentioned to enable only this 3 repos
sudo subscription-manager repos --enable="rhel-8-for-x86_64-baseos-rpms"
sudo subscription-manager repos --enable="rhel-8-for-x86_64-appstream-rpms"
sudo subscription-manager repos --enable="ansible-2-for-rhel-8-x86_64-rpms"

ovirt-release44.rpm  installs ovirt-4.4 repo

ovirt-release44 rpm enables ovirt and all the other needed repos.




I don't want to run into any trouble when i start upgrading, so are that really 
all repos i need for OVirt 4.4.4?
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[ovirt-users] Re: OVirt 4.4.4 repository dependencies

[Sandro Bonazzola]

Il giorno gio 7 gen 2021 alle ore 10:34  ha scritto:

> Hi,
> in OVirt 4.3 and earlier i had to activate many repositorys beside
> OVirt4.3 repo because of dependencies.
> centos-sclo-rh-release
> ovirt-4.3
> ovirt-4.3-centos-gluster5
> ovirt-4.3-centos-opstools
> ovirt-4.3-centos-ovirt43
> ovirt-4.3-centos-qemu-ev
> ovirt-4.3-epel
> ovirt-4.3-virtio-win-latest
>
> in OVirt 4.4.4 documentation it is mentioned to enable only this 3 repos
> sudo subscription-manager repos --enable="rhel-8-for-x86_64-baseos-rpms"
> sudo subscription-manager repos --enable="rhel-8-for-x86_64-appstream-rpms"
> sudo subscription-manager repos --enable="ansible-2-for-rhel-8-x86_64-rpms"
>
> ovirt-release44.rpm  installs ovirt-4.4 repo
>

ovirt-release44 rpm enables ovirt and all the other needed repos.




>
> I don't want to run into any trouble when i start upgrading, so are that
> really all repos i need for OVirt 4.4.4?
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> To unsubscribe send an email to users-le...@ovirt.org
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>


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[ovirt-users] how to fix time-drift on el8 hosts?

[Nathanaël Blanchet]

Hello,

Engine complains about my fresh el8 ovirt 4.4.3 node host:

"Host hadriacus has time-drift of 3202 seconds while maximum configured 
value is 300 seconds."


I tried to fix it with these commands:

sudo chronyc -a makestep
chronyc sources
chronyc tracking

... but the host is still not synchronized.

How should I proceed?

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[ovirt-users] OVirt 4.4.4 repository dependencies

[lars . stolpe]

Hi,
in OVirt 4.3 and earlier i had to activate many repositorys beside OVirt4.3 
repo because of dependencies. 
centos-sclo-rh-release   
ovirt-4.3  
ovirt-4.3-centos-gluster5  
ovirt-4.3-centos-opstools
ovirt-4.3-centos-ovirt43   
ovirt-4.3-centos-qemu-ev  
ovirt-4.3-epel  
ovirt-4.3-virtio-win-latest

in OVirt 4.4.4 documentation it is mentioned to enable only this 3 repos
sudo subscription-manager repos --enable="rhel-8-for-x86_64-baseos-rpms"
sudo subscription-manager repos --enable="rhel-8-for-x86_64-appstream-rpms"
sudo subscription-manager repos --enable="ansible-2-for-rhel-8-x86_64-rpms"

ovirt-release44.rpm  installs ovirt-4.4 repo

I don't want to run into any trouble when i start upgrading, so are that really 
all repos i need for OVirt 4.4.4?
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[ovirt-users] Re: Can NFV (Network Functions Virtualization) work on oVirt?

[Dominik Holler]

On Tue, Jan 5, 2021 at 9:34 AM fukumoto.shi...@fujitsu.com <
fukumoto.shi...@fujitsu.com> wrote:

> Hello Gianluca,
>
>
>
> Thank you for the links.
>
> I read the documents and understood SR-IOV is supported.
>
>
>
> This is a question apart from NFV, I need RDMA (InfiniBand) and RDMA
> (Ethernet) using Mellanox ConnextX-6 cards.
>
> Do you (or does anyone) know if RDMA (InfiniBand) and RDMA (Ethernet) work
> on oVirt environment?
>
>
>

Should RDMA be used inside the VM, or on the oVirt host directly?
On host level only IPoIB should work on CentOS 7 and on CentOS >= 8.4, RDMA
is not supported.
But it would be interesting to know if RDMA would work on a SR-IOV VF
inside a VM.


> I found following MLNX_OFED documentation and it seems that RDMA will work
> with SR-IOV.
>
> https://docs.mellanox.com/pages/viewpage.action?pageId=39264752
>
>
>
> Regards,
>
> Fukumoto
>
>
>
> *From:* Gianluca Cecchi 
> *Sent:* Monday, January 4, 2021 6:26 PM
> *To:* Fukumoto, Shinya/福本 真也 
> *Cc:* users@ovirt.org
> *Subject:* Re: [ovirt-users] Can NFV (Network Functions Virtualization)
> work on oVirt?
>
>
>
> On Mon, Jan 4, 2021 at 10:04 AM fukumoto.shi...@fujitsu.com <
> fukumoto.shi...@fujitsu.com> wrote:
>
> Hello everyone,
>
> I've checked the documentation of oVirt, but cannot find if following
> function can work on oVirt or not.
> - NFV (Network Functions Virtualization)
>
> Does someone know NFV can work on oVirt?
>
> For your reference, Red Hat OpenStack Platform seems to support NFV as
> follows
>
> https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/12/html-single/network_functions_virtualization_product_guide/index
>
> Regards,
> Fukumoto
>
>
>
> I think you can find useful information here for RHV 4.4, that should be
> applicable to oVirt 4.4 too:
>
>
>
>
> https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/administration_guide/sect-virtual_network_interface_cards#Enabling_Passthrough_on_a_vNIC_Profile
>
>
> https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/administration_guide/sect-hosts_and_networking#setting-up-and-configuring-sr-iov
>
>
> https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/hardware_considerations_for_implementing_sr-iov/
>
>
> https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/virtual_machine_management_guide/sect-migrating_virtual_machines_between_hosts#Live_migration_prerequisites
>
>
>
> I don't know if it is supported to also use NFV with OVN external provider
> in oVirt/RHV
>
>
>
> HIH,
>
> Gianluca
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