Re: [ovirt-users] Windows 10

[RK RK]

+1

I am facing the same scenario for Windows 8, 8.1 and 10

On Thu, Mar 10, 2016 at 9:48 PM, Jean-Marie Perron <
jean-marie.per...@viseo.com> wrote:

> Hello,
>
>
>
> OVirt 3.6.3 is installed on CentOS 7.
>
>
>
> I use 64-bit Windows 10 client with spice display.
>
>
>
> After installing the spice-guest-tools and oVirt-tools-setup on the VM
> Windows 10, the display always lag and slow.
>
>
>
> The display on a Windows 7 VM is fluid.
>
>
>
> On Device Manager and Display adapters, I see see the graphics card "Red
> Hat QLX Controller"
>
>
>
> Are Windows 10 is fully supported by oVirt?
>
>
>
> Thank you.
>
>
>
> Jean Marie
>
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>
>


-- 

With Regards,
RK,
+91 9840483044
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Re: [ovirt-users] MAC spoofing for specific VMs

[Christopher Young]

Does anyone see a reason why simply installing the EL7 latest rpm for
this on an ovirt node/RHEV-H system would not work or would be a bad
solution to getting this working with ovirt-node/RHEV-H?  I don't want
to do something that is either lost on reboot or would cause issues in
the future.

Thoughts?

On Tue, May 12, 2015 at 2:24 PM, Christopher Young
 wrote:
> Yep.  I had found that and applied it.  Great solution!   I actually wrote
> about it to the zen load balancer list.  I will add it here for
> semi-documentation:
>
> --
>  just wanted to follow-up so that it is documented on how to get this
> working on oVirt/RHEV.  I had to install a VDSM hook to allow mac-spoofing
> as a VM custom property like so (on each node):
>
> yum install vdsm-hook-macspoof
>
> That requires a restart of vdsmd on the node as well as a process on the
> oVirt/RHEV engine:
>
> engine-config -s "UserDefinedVMProperties=macspoof=(true|false)"
>
> Which then requires a restart of the oVirt/RHEV engine.
>
> After that, there will be an available custom properly on the VM called
> 'macspoof' that can be set to 'true'.  Once I did this and shutdown/powered
> on the VMs, the cluster setup now completes successfully.  You learn
> something every day.
>
> Thanks for pointing me in the right direction.  The one thing I wish I had
> on these VMs is the ovirt-guest-agent which would likely work except that
> Debian 6 doesn't seem to have python-ethtool package/deps.  If there are any
> plans to update the version of Debian that ZLB is based on, let me know.
>
> -
>
> On Tue, May 12, 2015 at 5:43 AM, Dan Kenigsberg  wrote:
>>
>> On Mon, May 11, 2015 at 02:12:22PM -0400, Christopher Young wrote:
>> > I'm working on some load-balancing solutions and they appear to require
>> > MAC
>> > spoofing.  I did some searching and reading and as I understand it, you
>> > can
>> > disable the MAC spoofing protection through a few methods.
>> >
>> > I was wondering about the best manner to enable this for the VMs that
>> > require it and not across the board (if that is even possible).  I'd
>> > like
>> > to just allow my load-balancer VMs to do what they need to, but keep the
>> > others untouched as a security mechanism.
>> >
>> > If anyone has any advice on the best method to handle this scenario, I
>> > would greatly appreciate it.  It seems that this might turn into some
>> > type
>> > of feature request, though I'm not sure if this is something that has to
>> > be
>> > done at the Linux bridge level, the port level, or the VM level.  Any
>> > explanations into that would also help in my education.
>>
>> You can enable mac spoofing per VM or per vNIC using vdsm-hook-macspoof.
>> See more details on the hook's README file
>>
>>
>> https://gerrit.ovirt.org/gitweb?p=vdsm.git;a=blob;f=vdsm_hooks/macspoof/README;h=6bd11c1cb8ba2603d432fc8826eeb35738136c92;hb=79781a1945ceff6849a6a2b66cb5c4a1a5f8d874
>
>
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[ovirt-users] Hiding events

[nicolas]

Hi,

Is there currently a way to hide specific events from the event list? I 
mean not showing them up when they occur.


Thanks.
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[ovirt-users] Windows 10

[Jean-Marie Perron]

Hello,

OVirt 3.6.3 is installed on CentOS 7.

I use 64-bit Windows 10 client with spice display.

After installing the spice-guest-tools and oVirt-tools-setup on the VM Windows 
10, the display always lag and slow.

The display on a Windows 7 VM is fluid.

On Device Manager and Display adapters, I see see the graphics card "Red Hat 
QLX Controller"

Are Windows 10 is fully supported by oVirt?

Thank you.

Jean Marie
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[ovirt-users] vlan range?

[gflwqs gflwqs]

Hi list!
How do i expose a vlan range to a vm in ovirt?

Thanks!
Christian
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Re: [ovirt-users] Understand CPU Socket Cores and VCPU

[Taste-Of-IT]

Hello Michal,

and thanks for your reply. Sorry its not clear enough for me. So let me 
do some examples. Situation are still 4 Cores 8 Threads. So for a normal 
usecase i would configure 1vCPU with 1vSocket, right? But i can also 
configure 2vCPU with 1vSocket? So the vSocket is like the physical CPU 
Socket while the vCPU is like the Threads of the CPU, right? Physicaly 
1Socket has 2Threads, so i could configre 4vServer with each 2vCPU and 
1vSocket, right?

thx again
Taste

thx.
Taste

Am 2016-02-17 17:49, schrieb Michal Skrivanek:

On 17 Feb 2016, at 17:36, Taste-Of-IT  wrote:

Hello,
i have a general Question about Hardware CPU, Socket, Cores and the 
VCPU, Cores per VSocket and VScoket for virtual Machines. Example i 
have a single CPU with 4 Cores and 8 Threads. As far as i understand i 
should configure the virtual machines with that number of socket as 
the host has. So in this example with max 1 Socket. How is the 
possibility in VCPUs and VCores? What is the limit in this example? 
Can i only run max 4 VMs?


in general - as many sockets as the number of cores you have
available, minus a couple for the host OS(one or two should be ok)
you can run more, but then they will compete for the core and
performance would decrease. But if those VMs are not CPU intensive it
may very well be ok (you just need to disable the default cluster
policy which limits the size to number of hosts’s cores)

Thanks,
michal



Thanks for clarifying
Taste
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Re: [ovirt-users] Installation of host hangs and will not finish installation of host

[Yedidyah Bar David]

On Thu, Mar 10, 2016 at 1:19 PM, Jonas Kirk Pedersen  wrote:
>
> Im and quite new at using mailing list, but here is my current challenge.
>
> I am adding a new host  from a fresh install centos 7. Updated with yum -y
> update and yum install then repo from ovirt v.3.6.

yum install what?

>
> Now the installation of the host is stuck at validating for 2 hours.

"installation" meaning "New host" in the web admin? Something else?

> Have tried to restart vdsmd to see if I cant trigger a failure, but no.
> Did a reboot of the host and that did not help.
> Now it is powered off and the engine is has registered that there is no
> connection to the host with error: "VDSM KVM2 command failed: Connection
> issue null"
>
> Is there a way to cancel a running task?

The word "task" has a quite specific meaning in the engine, and installation
of a host is not a task. Generally speaking, AFAIK, you can't easily cancel
a task.

To debug host installation, while the installation is running, you can check
/tmp of the host. You should be able to find there stuff of ovirt-host-deploy,
which is the program running on the host to deploy it. If you manage to find
the log, please check/post it. Thanks.

Best,
-- 
Didi
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[ovirt-users] VDSM will not start

[Jonas Kirk Pedersen]

Had a problem where on the host the vdsm service would not start. The 
following is from #ovirt IRC chat after I emailed the sos report from 
the host


13:29:06) sbonazzo: jkp looks like an issue while starting supervdsm, I 
see:
(13:29:08) sbonazzo: Mar 9 12:41:30 kvm1 daemonAdapter: OSError: [Errno 
2] No such file or directory: '/var/run/vdsm/svdsm.sock'
(13:29:08) sbonazzo: Mar 9 12:41:30 kvm1 systemd: start request repeated 
too quickly for supervdsmd.service

(13:29:26) sbonazzo: danken: ybronhei: nsoffer ^^
(13:30:57) sbonazzo: msivak: i see also Mar 9 12:27:18 kvm1 systemd: 
[/usr/lib/systemd/system/momd.service:11] Unknown lvalue 'Timeout' in 
section 'Service'

(13:31:30) sbonazzo: msivak: maybe epel7 mom should be updated
(13:32:33) sbonazzo: after that, vdsm doesn't come up due to Mar 9 
12:27:55 kvm1 daemonAdapter: OSError: [Errno 2] No such file or 
directory: '/var/run/vdsm/svdsm.sock since supervdsmd didn't run

(13:34:50) sbonazzo: jkp: can you try to manually start supervdsmd service?
(13:35:07) jkp: sbonazzo, it is confirmed that the file is not there. 
But shouldn't the service create this file -- Yes I'll try

(13:35:19) sbonazzo: jkp: yes, it's supposed to
(13:39:07) jkp: sbonazzo, still gives me the : OSError: [Errno 2] No 
such file or directory: '/var/run/vdsm/svdsm.sock'

(13:39:35) sbonazzo: jkp does /var/run/vdsm/ exist?
(13:40:55) jkp: sbonazzo, yes it contains [root@kvm1 ~]# ls 
/var/run/vdsm/ lvm sourceRoutes trackedInterfaces v2v


Later I received a email

Mar  9 10:41:21 kvm1 journal: Module 
/usr/lib64/libvirt/connection-driver/libvirt_driver_lxc.so not accessible
Mar  9 10:41:21 kvm1 journal: The server certificate 
/etc/pki/vdsm/certs/vdsmcert.pem is not yet active
Mar  9 10:41:21 kvm1 systemd: libvirtd.service: main process exited, 
code=exited, status=6/NOTCONFIGURED
Mar  9 10:41:21 kvm1 systemd: Failed to start Virtualization daemon.
Mar  9 10:41:21 kvm1 systemd: Dependency failed for Virtual Desktop Server 
Manager.
Mar  9 10:41:21 kvm1 systemd: Dependency failed for MOM instance configured for 
VDSM purposes.
Mar  9 10:41:21 kvm1 systemd: Job mom-vdsm.service/start failed with result 
'dependency'.
Mar  9 10:41:21 kvm1 systemd: Job vdsmd.service/start failed with result 
'dependency'.
Mar  9 10:41:21 kvm1 systemd: Dependency failed for Virtual Desktop Server 
Manager network restoration.
Mar  9 10:41:21 kvm1 systemd: Job vdsm-network.service/start failed with result 
'dependency'.
Mar  9 10:41:21 kvm1 systemd: Unit libvirtd.service entered failed state.
Mar  9 10:41:21 kvm1 systemd: libvirtd.service failed.
Mar  9 10:41:21 kvm1 systemd-logind: Removed session 4.
Mar  9 10:41:21 kvm1 systemd: libvirtd.service holdoff time over, scheduling 
restart.

I see that libvirtd fails to start.
It might be due to Engine system clock being deep in the future?

What I had failed to notice was that the vdsmcert.pem that was not active.
The ntp service running on the Engine was out of sync with a year 
resulting in that of cause the certificate did not work and then the 
vdsm would not start.
I have a fairly new engine so I removed it and fixed the time issue and 
all was perfect


Thanks for a great help on the chat and on email

--
Jonas Kirk Pedersen
ASOM-Net
Systemadministrator

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[ovirt-users] Installation of host hangs and will not finish installation of host

[Jonas Kirk Pedersen]

Im and quite new at using mailing list, but here is my current challenge.

I am adding a new host  from a fresh install centos 7. Updated with yum 
-y update and yum install then repo from ovirt v.3.6.


Now the installation of the host is stuck at validating for 2 hours.
Have tried to restart vdsmd to see if I cant trigger a failure, but no.
Did a reboot of the host and that did not help.
Now it is powered off and the engine is has registered that there is no 
connection to the host with error: "VDSM KVM2 command failed: Connection 
issue null"


Is there a way to cancel a running task?

--
Jonas Kirk Pedersen
ASOM-Net
Systemadministrator

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