---

From: "Andrew Lau" <andrew@andrewklau.com>
To: "Omer Frenkel" <ofrenkel@redhat.com>
Cc: "Dan Kenigsberg" <danken@redhat.com>, libvir-list@redhat.com, "users" <users@ovirt.org>
Sent: Monday, September 16, 2013 1:38:53 AM

Subject: Re: [Users] Live Migration failed oVirt 3.3 Nightly

On Sun, Sep 15, 2013 at 11:51 PM, Omer Frenkel <ofrenkel@redhat.com> wrote:

----- Original Message -----
> From: "Dan Kenigsberg" <danken@redhat.com>
> To: "Andrew Lau" <andrew@andrewklau.com>
> Cc: libvir-list@redhat.com, "users" <users@ovirt.org>
> Sent: Sunday, September 15, 2013 3:47:03 PM
> Subject: Re: [Users] Live Migration failed oVirt 3.3 Nightly
>
> On Sun, Sep 15, 2013 at 09:57:47PM +1000, Andrew Lau wrote:
> > On Sun, Sep 15, 2013 at 9:34 PM, Dan Kenigsberg <danken@redhat.com> wrote:
> >
> > > On Sun, Sep 15, 2013 at 08:44:18PM +1000, Andrew Lau wrote:
> > > > On Sun, Sep 15, 2013 at 8:00 PM, Dan Kenigsberg <danken@redhat.com>
> > > wrote:
> > > >
> > > > > On Sun, Sep 15, 2013 at 06:48:41PM +1000, Andrew Lau wrote:
> > > > > > Hi Dan,
> > > > > >
> > > > > > Certainly, I've uploaded them to fedora's paste bin and tried to
> > > > > > snip
> > > > > just
> > > > > > the relevant details.
> > > > > >
> > > > > > Sender (hv01.melb.domain.net):
> > > > > > http://paste.fedoraproject.org/39660/92339651/
> > > > >
> > > > > This one has
> > > > >
> > > > >     libvirtError: operation failed: Failed to connect to remote
> > > > >     libvirt
> > > > > URI qemu+tls://hv02.melb.domain.net/system
> > > > >
> > > > > which is most often related to firewall issues, and some time to key
> > > > > mismatch.
> > > > >
> > > > > Does
> > > > >     virsh -c qemu+tls://hv02.melb.domain.net/system capabilities
> > > > > work when run from the command line of hv01?
> > > > >
> > > > > Dan.
> > > > > > Receiver (hv02.melb.domain.net): `
> > > > > > http://paste.fedoraproject.org/39661/23406913/
> > > > > >
> > > > > > VM being transfered is ovirt_guest_vm
> > > > > >
> > > > > > Thanks,
> > > > > > Andrew
> > > > >
> > > >
> > > > virsh -c qemu+tls://hv02.melb.domain.net/system
> > > > 2013-09-15 10:41:10.620+0000: 23994: info : libvirt version: 0.10.2,
> > > > package: 18.el6_4.9 (CentOS BuildSystem <http://bugs.centos.org>,
> > > > 2013-07-02-11:19:29, c6b8.bsys.dev.centos.org)
> > > > 2013-09-15 10:41:10.620+0000: 23994: warning :
> > > > virNetTLSContextCheckCertificate:1102 : Certificate check failed
> > > > Certificate failed validation: The certificate hasn't got a known
> > > > issuer.
> > >
> > > Would you share your
> > >
> > >
> > > openssl x509 -in
> > > /etc/pki/vdsm/certs/cacert.pem -text
> > >
> > > openssl x509 -in /etc/pki/vdsm/certs/vdsmcert.pem -text
> > >
> > > on both hosts? This content may be sensitive, and may not
> > > provide an answer why libvirt on src cannot contact libvirtd on the
> > > other host. So before you do that, would you test if
> > >
> > >
> > >   vdsClient -s hv02.melb.domain.net getVdsCapabilities
> > >
> > > works when run on hv01? It may be that the certificates are fine, but
> > > libvirt is not configured to use the correct ones.
> > >
> > > Dan.
> > >
> > >
> > vdsClient -s hv02.melb.domain.net getVdsCapabilities runs fine
> >
> > I did a quick comparison between the files on both hosts, they seem to have
> > the right details (host names, authority etc.)
> > cacert.pem matches
> >
> > /etc/libvirt/libvirtd.conf
> >
> > ca_file="/etc/pki/vdsm/certs/cacert.pem"
> > cert_file="/etc/pki/vdsm/certs/vdsmcert.pem"
> > key_file="/etc/pki/vdsm/keys/vdsmkey.pem"
>

this sounds a little like
https://bugzilla.redhat.com/show_bug.cgi?id=996146

can you try to restart libvirt (on both hosts just to be sure) and try again?

> Maybe someone on libvir-list could guess why this could be happening?

> _______________________________________________
> Users mailing list
> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>

I did try that already

service vdsmd restart

[root@hv02 ~]# service vdsmd restart

Shutting down vdsm daemon: 

vdsm watchdog stop                                         [  OK  ]

vdsm stop                                                  [  OK  ]

Starting configure libvirt to VDSM ...

libvirt is already configured for vdsm

=Done configuring libvirt=

libvir: Network Filter Driver error : Requested operation is not valid: nwfilter is in use

Checking conflicts ...

SUCCESS: ssl configured to true. No conflicts

Starting up vdsm daemon: 

vdsm start                                                 [  OK  ]

Migration still failed. Keep in mind, when I had oVirt 3.3 on these nodes migration was working fine. Only when I upgraded to the nightly and it picked up the new vdsm packages it started to fail.

can you try to restart the libvirtd service itself? not vdsm