Re: [ovirt-users] VDSM version is not supported for FirewallD

[Michael Burman]

Hi,

I think that you trying to add the node VDSM version 4.19.28(vdsm 4.1) to
an 4.2 cluster which configured with firewalld.
You can change the type cluster to iptables or better add this node to a
cluster 4.1 with iptables type(note that the default type for 4.1 cluster
is firewalld as well). The type can be changed via edit cluster in the
Firewall Type field.

Cheers)



On Tue, Dec 26, 2017 at 3:14 AM, 潘友明  wrote:

> Hi:
>
> I recently built ovirt, which I compiled through source code version 4.2.0
> ovirt.
> The following error occurred when I added the node :
>
> "
> TASK [ovirt-host-deploy-libvirt-guests : Setup the configuration file]
> *
> skipping: [10.100.211.106]
>
> TASK [ovirt-host-deploy-libvirt-guests : Start libvirt-guests service and
> ensure its enabled] ***
> skipping: [10.100.211.106]
>
> TASK [ovirt-host-deploy-firewalld : Check if VDSM version is supported for
> FirewallD] ***
> fatal: [10.100.211.106]: FAILED! => {"changed": false, "msg": "VDSM
> version 4.19.28 is not supported for FirewallD."}
>
> PLAY RECAP 
> *
> 10.100.211.106 : ok=3changed=0unreachable=0failed=1
> "
>
> Now I should choose which version of VDSM, or there are other better
> solutions.
> Thank you
>
>
>
>
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>


-- 

Michael Burman

Quality engineer - rhv network - redhat israel

Red Hat



mbur...@redhat.comM: 0545355725 IM: mburman

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[ovirt-users] VDSM version is not supported for FirewallD

[潘友明]

Hi:


I recently built ovirt, which I compiled through source code version 4.2.0 
ovirt.
The following error occurred when I added the node :


"
TASK [ovirt-host-deploy-libvirt-guests : Setup the configuration file] *
skipping: [10.100.211.106]


TASK [ovirt-host-deploy-libvirt-guests : Start libvirt-guests service and 
ensure its enabled] ***
skipping: [10.100.211.106]


TASK [ovirt-host-deploy-firewalld : Check if VDSM version is supported for 
FirewallD] ***
fatal: [10.100.211.106]: FAILED! => {"changed": false, "msg": "VDSM version 
4.19.28 is not supported for FirewallD."}


PLAY RECAP *
10.100.211.106 : ok=3changed=0unreachable=0failed=1
"


Now I should choose which version of VDSM, or there are other better solutions.
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[ovirt-users] OVS error logs after upgrade to 4.2

[Misak Khachatryan]

Hi,

After upgrade to 4.2 I started getting this error from engine:

/etc/cron.daily/logrotate:

2017-12-25T23:12:02Z|1|unixctl|WARN|failed to connect to
/var/run/openvswitch/ovnnb_db.19883.ctl
ovs-appctl: cannot connect to
"/var/run/openvswitch/ovnnb_db.19883.ctl" (No such file or directory)
2017-12-25T23:12:02Z|1|unixctl|WARN|failed to connect to
/var/run/openvswitch/ovnsb_db.19891.ctl
ovs-appctl: cannot connect to
"/var/run/openvswitch/ovnsb_db.19891.ctl" (No such file or directory)


Seems harmless as i don't use OVS, but how to fix it?


Best regards,
Misak Khachatryan
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Re: [ovirt-users] Minor issue upgrading to 4.2

[Misak Khachatryan]

Hi,

I'm not completely sure, but i think i have firewalld before. Anyway,
I changed type to firewalld in cluster and reinstalled all my hosts
from engine, as i don't have Host Console either.

Best regards,
Misak Khachatryan


On Mon, Dec 25, 2017 at 6:16 PM, Chris Adams  wrote:
> Once upon a time, Misak Khachatryan  said:
>> It seems me too in the same situation, my cluster shows firewall type
>> as iptables, and my firewalld status is on hosts:
>
> Do you know if you had firewalld installed before upgrading?  You should
> be able to tell by checking your /var/log/yum.log.
>
> I suspect that the issue is that oVirt pulls in firewalld, and the
> firewalld RPM sets itself to run by default, plus it happens to be
> started after iptables (and so blows away iptables rules).
>
> See if this fixes it for you:
>
> # systemctl stop firewalld.service
> # systemctl disable firewalld.service
> # systemctl restart iptables.service
>
> --
> Chris Adams 
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[ovirt-users] 4.2: failed reconstructing master storage domain

[Blaster]

So I accidentally wiped out the underlying storage for the master storage 
domain for the default data center for my self hosted configuration.

The re-initialize data center option is greyed out.

I can’t add any other storage domains because there isn’t a master.

I keep getting pop up errors “failed reconstructing master storage domain for 
datacenter default”.

Anyway to get this back?

I don’t see anything in the engine or vddm logs as to why it’s failed.

Anyway to recover from this?
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Re: [ovirt-users] Issue starting VM using run-once

[Alex Bartonek]

Nevermind.  Its because I had VirtualBox running which had a  64bit OS VM which 
requires VT-x extensions.  oVirt and VB both cannot use it at the same time.  
All is well once I disable the extension in the VB VM.  It'll be migrated to 
oVirt.

Sent with [ProtonMail](https://protonmail.com) Secure Email.

>  Original Message 
> Subject: Issue starting VM using run-once
> Local Time: December 25, 2017 4:56 PM
> UTC Time: December 25, 2017 10:56 PM
> From: a...@unix1337.com
> To: users@ovirt.org 
>
> Merry Christmas to you all..
>
> New install of oVirt 4.2 on a CentOS 7 system.  Watched a vid and read some 
> stuff on the site regarding installation/config.  I have it installed using 
> this vid:
> https://www.youtube.com/watch?v=Pasz-lv3gTY
>
> Single server host.
>
> When I go to run my Windows 7 64bit VM and set it to attach a cd ISO image, 
> as soon as I do a run-once a few seconds later I see this error:
> "Failed to run VM Windows_7 in run-once mode".
>
> dmesg doesnt show anything..where else can I check ?
>
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[ovirt-users] Issue starting VM using run-once

[Alex Bartonek]

Merry Christmas to you all..

New install of oVirt 4.2 on a CentOS 7 system.  Watched a vid and read some 
stuff on the site regarding installation/config.  I have it installed using 
this vid:
https://www.youtube.com/watch?v=Pasz-lv3gTY

Single server host.

When I go to run my Windows 7 64bit VM and set it to attach a cd ISO image, as 
soon as I do a run-once a few seconds later I see this error:
"Failed to run VM Windows_7 in run-once mode".

dmesg doesnt show anything..where else can I check ?

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Re: [ovirt-users] Minor issue upgrading to 4.2

[Chris Adams]

Once upon a time, Misak Khachatryan  said:
> It seems me too in the same situation, my cluster shows firewall type
> as iptables, and my firewalld status is on hosts:

Do you know if you had firewalld installed before upgrading?  You should
be able to tell by checking your /var/log/yum.log.

I suspect that the issue is that oVirt pulls in firewalld, and the
firewalld RPM sets itself to run by default, plus it happens to be
started after iptables (and so blows away iptables rules).

See if this fixes it for you:

# systemctl stop firewalld.service
# systemctl disable firewalld.service
# systemctl restart iptables.service

-- 
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Re: [ovirt-users] How do I connect to my VM from another PC?

[José Manuel Noguerol]

I’m using Ubuntu and CentOS in their last versions.

When I run “sudo nmtui” I cannot edit any NIC.

I’ll test it with other OS.

Thanks for your answer.

I’m still trying to use this VM on another computer in my local network. How 
can I do it ?

Regards.


On 6 Dec 2017, at 14:32, Wesley Stewart 
> wrote:

Did you add the NIC after you did the OS install?  Most installers are pretty 
good about detecting and activating NICs when you do the install.  But if you 
add a NIC afterwards sometimes you have to activate it manually.

What OS is your guest? Version?

If you run "sudo nmtui" does that get you to the text based network manager?

On Dec 6, 2017 12:08 AM, "José Manuel Noguerol" 
> wrote:
Hi all.

After a month, I have installed my first VM. And it works almost perfect…


I added a vnic but there is no ethernet interface in the VM…


I got one more question… Supposing that my VM is completely installed… How do I 
access to it from a different PC. I mean, a PC apart from the one which has the 
ovirt engine. I got another host in the hosts list but I can’t access to the 
portal.

Thanks for your time!

Regards.
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Re: [ovirt-users] Turn on "Nested Virtualization" on the "hosted-engine"

[Roman Drovalev]

>I'm not sure I understand the layering - hyper-V on oVirt or vice-versa?

the layering: oVirt host -> Hyper-V_VM on oVirt -> VM on Hyper-V_VM

CentOS based on linux kernel. I manual modified linux kernel parametrs.

oVirt-engine based on oVirt API. How to manually change the parameters
of ovirt-engine through API?

>In any case, I assume an additional host is needed, the host hosting
the Hosted-Engine VM cannot be changed with those parameters when the HE
is up.
>Y.

It's impossible, the second host is now - Hyper-V with working VM's.

25.12.2017 12:19, Yaniv Kaul
>
>
> On Mon, Dec 25, 2017 at 10:14 AM, Roman Drovalev
> > wrote:
>
> Thanks for the quick response.
>
> >You probably need an additional host.
>
> I'm migrating from Hyper-V at the moment there is no way to add a
> second
> host.
>
>
> 25.12.2017 10 :43, Yaniv Kaul пишет:
> > What are you trying to achieve?
>
> "Nested Virtualization" . I need run on Hyper-V one VM on the my oVirt
>
>
> I'm not sure I understand the layering - hyper-V on oVirt or vice-versa?
> In any case, I assume an additional host is needed, the host hosting
> the Hosted-Engine VM cannot be changed with those parameters when the
> HE is up.
> Y.
>  
>
>
>
>
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инженер ГБУЗ "МИАЦ",
Калужской области.
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Re: [ovirt-users] Turn on "Nested Virtualization" on the "hosted-engine"

[Yaniv Kaul]

On Mon, Dec 25, 2017 at 10:14 AM, Roman Drovalev 
wrote:

> Thanks for the quick response.
>
> >You probably need an additional host.
>
> I'm migrating from Hyper-V at the moment there is no way to add a second
> host.
>
>
> 25.12.2017 10:43, Yaniv Kaul пишет:
> > What are you trying to achieve?
>
> "Nested Virtualization" . I need run on Hyper-V one VM on the my oVirt
>

I'm not sure I understand the layering - hyper-V on oVirt or vice-versa?
In any case, I assume an additional host is needed, the host hosting the
Hosted-Engine VM cannot be changed with those parameters when the HE is up.
Y.


>
>
>
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Re: [ovirt-users] Turn on "Nested Virtualization" on the "hosted-engine"

[Roman Drovalev]

Thanks for the quick response.

>You probably need an additional host.

I'm migrating from Hyper-V at the moment there is no way to add a second
host.


25.12.2017 10:43, Yaniv Kaul пишет:
> What are you trying to achieve?

"Nested Virtualization" . I need run on Hyper-V one VM on the my oVirt



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