[libvirt] [Users] Live Migration failed oVirt 3.3 Nightly

[Omer Frenkel]

----- Original Message -----

> From: "Andrew Lau" <andrew at andrewklau.com>
> To: "Omer Frenkel" <ofrenkel at redhat.com>
> Cc: "Dan Kenigsberg" <danken at redhat.com>, libvir-list at redhat.com, "users"
> <users at 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 at redhat.com > wrote:

> > ----- Original Message -----
> 
> > > From: "Dan Kenigsberg" < danken at redhat.com >
> 
> > > To: "Andrew Lau" < andrew at andrewklau.com >
> 
> > > Cc: libvir-list at redhat.com , "users" < users at 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 at 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 at 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 at ovirt.org
> 
> > > http://lists.ovirt.org/mailman/listinfo/users
> 
> > >
> 

> I did try that already

> service vdsmd restart

> [root at 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 
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