[ovirt-users] Host fencing issues

Wed Oct 18 06:52:02 UTC 2017

On Wed, Oct 18, 2017 at 8:09 AM, Fernando Fuentes <ffuentes at darktcp.net>
wrote:

> Ok I have not collected data yet...
> I figure I upgraded my engine to the latest revision of the 4.0 branch and
> I did... It actually fix nothing... No matter what I do the hosts continue
> to experience the same issue.... Is this a known problem in the 4.0 branch
> with CentOS7?
>

The latest revision of 4.x is 4.1.6. There's no '4.0 branch' really, once
4.1 was released, and I warmly advise you to upgrade to latest 4.1.

>
> I will collect data as soon as I get a chance...
>
> On another note... I was able to bring online a host using the ovirt 4.0
> node image, I experience other issues though... I cant seem to migrate VM's
> out from the node.... I can migrate VM's in but not out... As if the node
> is not compatible with the rest of the hosts which run Centos 7 x86_64...
> Is this hunch correct? can ovirt node work along side with Centos7 hosts?
>

A separate email thread is preferred, but I assume you have connectivity
issues on that node, DNS or routing issues.

Yes, a node can work alongside a regular host.
Y.

>
> Thoughts and ideas?
>
> Regards,
>
> --
> Fernando Fuentes
> ffuentes at txweather.org
> http://www.txweather.org
>
>
>
> On Mon, Oct 16, 2017, at 02:03 PM, Fernando Fuentes wrote:
>
> Thats right.
> I am going to collect the data and report back.
>
> Regards,
>
>
> --
> Fernando Fuentes
> ffuentes at txweather.org
> http://www.txweather.org
>
>
>
> On Mon, Oct 16, 2017, at 10:00 AM, Yaniv Kaul wrote:
>
>
>
> On Mon, Oct 16, 2017 at 5:21 PM, Fernando Fuentes <ffuentes at darktcp.net>
> wrote:
>
>
> Any ideas team?
> :(
>
>
> I suspect if you've applied the workaround for libvirt authentication
> change and things still don't work, we'll need to see the relevant logs to
> further understand the issue.
> Y.
>
>
>
>
>
> --
> Fernando Fuentes
> ffuentes at txweather.org
> http://www.txweather.org
>
>
>
>
> On Fri, Oct 13, 2017, at 11:47 AM, Fernando Fuentes wrote:
>
> Team,
>
> I think I am hitting this bug:
>
> https://gerrit.ovirt.org/#/c/76934/
>
> With that fix libvirtd starts but ovirt still wont bring it online.
>
> --
> Fernando Fuentes
> ffuentes at txweather.org
> http://www.txweather.org
>
>
>
> On Fri, Oct 13, 2017, at 11:42 AM, Fernando Fuentes wrote:
>
> I am getting this all over the logs:
>
> https://pastebin.com/5Ua5u2ZA
>
> --
> Fernando Fuentes
> ffuentes at txweather.org
> http://www.txweather.org
>
>
>
> On Fri, Oct 13, 2017, at 11:30 AM, Fernando Fuentes wrote:
>
> You where right.
> I was able to start it manually but its still doing the same thing after I
> try to activate the server it fenced the server and send a reboot... Here
> is the status:
>
> https://pastebin.com/xbXX8UBX
>
>
>
> --
> Fernando Fuentes
> ffuentes at txweather.org
> http://www.txweather.org
>
>
>
> On Fri, Oct 13, 2017, at 11:00 AM, Dafna Ron wrote:
>
> this suggests that libvirt is down.
> can you please check libvirtd service status and get the log for it?
>
>
> Thanks,
> Dafna
>
> On 10/13/2017 04:48 PM, Fernando Fuentes wrote:
>
> Team,
>
> I went to the log and capture the messages from when the host did the
> update all the way down to the failure.
>
> https://pastebin.com/AwP1gh5g
>
>
> I hope that helps narrowing down the issue....
> Ideas, thoughts, and comments are welcome!
>
> Regards,
>
> --
> Fernando Fuentes
> ffuentes at txweather.org
> http://www.txweather.org
>
>
>
> On Fri, Oct 13, 2017, at 10:03 AM, Fernando Fuentes wrote:
>
> Thanks for your reply.
>
> As requested I got this from the messages log:
>
> https://pastebin.com/t0HRhvT9
>
> This one is from the host engine:
>
> https://pastebin.com/8vji6MGs
>
> And this one is from the host vdsm:
>
> https://pastebin.com/GgnqRvTE
>
> The funny part is that right when I did the update it seems that vdsm died
> and there is no log after the update.
>
> On the messages lo you can see the errors and the attempts of me trying to
> restart  manually but it dies.
>
> Any ideas?
>
>
> --
> Fernando Fuentes
> ffuentes at txweather.org
> http://www.txweather.org
>
>
>
> On Fri, Oct 13, 2017, at 01:42 AM, Tomas Jelinek wrote:
>
> can you please provide some logs to the issue?
> /var/log/ovirt-engine/engine.log from engine machine and
> /var/log/vdsm/vdsm.log from the affected host would be great start.
>
> thank you
>
> On Fri, Oct 13, 2017 at 2:47 AM, Fernando Fuentes <ffuentes at darktcp.net>
> wrote:
>
> Hello Team,
>
> I updated one of my host on my cluster and after it finish and try to
> activate the host it quickly claimed that the host was unresponsive and
> it fenced the host... Now every time I try to activate the host it
> clames that is unresponsive and proceeds to fence it... This was not
> happening before the update....
> The host is reachable with no problems nor issues...
>
> Any ideas?
>
> Centos 7.4 x86_64 host.
> Attached is the vdsm log
>
> engine is oVirt Engine Version: 4.0.2.6-1.el7.centos
>
> Regards,
>
> --
> Fernando Fuentes
> ffuentes at txweather.org
> http://www.txweather.org
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