[ovirt-users] Host non-responsive - All VMs shutdown

[Wesley Stewart]

I saw that, but my entire environment is running on a single host (Even the
data domain is on the same host).  How would it be possible for the host to
basically stop talking with itself?  Isn't that a little peculiar?

On Thu, Aug 24, 2017 at 4:09 PM, Douglas Landgraf <dlandgra at redhat.com>
wrote:

> On Thu, Aug 24, 2017 at 3:32 PM, Wesley Stewart <wstewart3 at gmail.com>
> wrote:
> > I have noticed this a couple times now.  digging through the logs, it
> looks
> > like the host decided to become unresponsive:
> >
> > 2017-08-24 12:09:05,365-04 INFO
> > [org.ovirt.engine.core.bll.VdsEventListener]
> > (org.ovirt.thread.pool-6-thread-5) [56defee2]
> > ResourceManager::vdsNotResponding entered for Host
> > 'a1bf54c1-2890-4aae-a23d-c83ea2c664d2', 'Host IP'
>
>
> Looks like the network is down in the host:
>
> Failed to refresh VDS, network error, continuing,
> vds='OVIRT-Host'(a1bf54c1-2890-4aae-a23d-c83ea2c664d2):
> java.net.SocketException: Network is unreachable
>
>
>
> >
> > Caused by: java.net.ConnectException: Connection refused
> >
> > There is a lot more, but I thought dropping it into a pastebin would be
> > better:
> > https://pastebin.com/drPNnsGB
> >
> > It looks like the host stopped responding somehow but I can't quite tell
> > how.  Any advice or input would be greatly appreciated!
> >
>
>
> Few questions:
>
> Are you able ping/communicate from host to engine and vice-versa?
> In the node, do you have the ovirtmgmt interface up?
> what's the output of systemctl status vdsmd -l  ?
> Did you change the firewall settings?
> Which version are you running? Did you upgrade?
>
> In the hypervisor, the log /var/log/vdsm/vdsm.log might help us too.
>
> Finally, check in the hypervisor if your vms are really down, ps aux |
> grep qemu-kvm  should return your vms process
>
>
> --
> Cheers
> Douglas
>
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