[ovirt-users] oVirt Windows Guest Tools & Live Migration issues.

[Yaniv Kaul]

On Tue, Jun 7, 2016 at 8:43 PM, Anantha Raghava <
raghav at exzatechconsulting.com> wrote:

> Hello Michal,
>
> Guest tools are working and getting all details about guest vm as needed.
>
> But one thing I didn't understand. What is the relationship between
> virtioserial driver and oVirt Guest Service? Without virtio serial driver,
> guest services does not start.
>

True. The transport to communicate with the guest agent is via the virtio
serial channel.


> Also, how do we install memory baloon driver?
>

The regular guest tools installer should install it.
If you can provide more details, that'd be helpful.
Y.


>
> Tomorrow morning, I will post about Live Migration events after I attempt
> it.
>
> --
>
> Thanks & Regards,
>
>
> Anantha Raghava
> On Friday 03 June 2016 04:36 PM, Michal Skrivanek wrote:
>
>
> On 03 Jun 2016, at 12:57, Anantha Raghava <
> <raghav at exzatechconsulting.com>raghav at exzatechconsulting.com> wrote:
>
> Hello Michal,
>
> Thanks for quick feed back.
>
> Windows Guests Agents - Where do I download them from? Not getting the
> proper links. Or is to a part of virt-drivers that we use during
> installation.
>
>
> Hi Anantha,
> it’s part of ovirt-guest-tools. See
> http://lists.ovirt.org/pipermail/users/2016-May/039779.html
>
>
> Live migration failure - These are pretty busy VMs if not big. The event
> does not show any specific message but just as migration failed. Is the
> reason logged somewhere? Please share the log location so that I can check
> & share the log for meaningful message and proper screen shots.
>
>
> There should be more details in the events at the bottom of the webadmin
> page (just make it a bit bigger it may not be te last message)
> If they are busy VMs then you may have issues migrating them. There is
> some simple tuning available and it may help. You can increase the maximum
> downtime in VM properties dialog (500ms by default, you can go up to
> whatever is feasible for your VM, seconds, tens of seconds)
> Bandwidth is limited to work on 1Gb network, if you have 10Gb availabl you
> can also tune /etc/vdsm.conf on each host and increase the maximum
> bandwidth 10 times
>
> Thanks,
> michal
>
>
> --
>
> Thanks & Regards,
>
>
> Anantha Raghava
>
> On 03 Jun 2016, at 07:14, Anantha Raghava <raghav at exzatechconsulting.com>
> wrote:
>
> Hi,
>
> We have just installed oVirt 3.6 on 3 hosts with storage volumes on Fibre
> Channel storage box. Every thing is working fine except the following.
>
> 1. We have created 15 Virtual Machines all VM with Windows Server 2012 R2
> OS. VM properties does not report the Operating System nor it shows the IP
> and FQDN in the Admin Portal. There is always an exclamation mark that
> reports about OS being different from the template and timezone issues. We
> have changed the timezone to Indian Standard Time in both VM and Host, same
> result continues. We have installed Windows Gues Tools, same result
> continues. Screen shot is below.
>
>
> you doesn’t seem to run the guest agent. Make sure the service is started
> and works, then you’ll see IPs and more detailed info about each guest, and
> exclamation marks should go away
>
>
> <VMs.PNG>
>
> 2. When we manually tried to migrate the VMs from one host to another one,
> the migration gets initiated, but will eventually fail.
>
> Any specific setting missing here or is it a bug.
>
>
> are they big or busy VMs? What does it fail on? There should be a
> menaingful message even if it’s just a timeout
>
>
> Note:
>
> All hosts are installed with CentOS 7.2 minimal installation oVirt node is
> installed and activated.
> We do not have a DNS in our environment. We have to do with IPs.
>
>
> as long as engine works with FQDN it’s ok
>
> We are yet to apply the 3.6.6 patch on Engine and Nodes.
>
>
> that may help with some of the issues above, so please try to do that
>
> Thanks,
> michal
>
> We are running a stand alone engine, not a Hosted Engine.
> --
>
> Thanks & Regards,
>
>
> Anantha Raghava eXza Technology Consulting & Services
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