[libvirt-users] Live Migration Issue

[Marc-Aurèle Brothier - Exoscale]

Hi,

I would suspect that you don't run the same version on the hosts and
you hit an incompatibilty issue.

Another question: does the SSH login works without passphrase?

Marc-Aurèle

On Mon, 2017-11-06 at 08:43 -0500, Hans Knecht wrote:
> Sorry, ctrl entered.
>  
> I’m hoping someone here can help me figure out what’s going on here.
>  
> I’ve got two CentOS 7 hosts with shared storage that I’m trying to do
> live migrations between and I’m running into an error with VMs that
> were originally created on a CentOS 6 host and then moved the CentOS
> 7 hosts. The CentOS 6 VM runs fine on the host, and can do non-live
> migrations without any issues, however when attempting to live
> migrate the VM it fails. The VM itself is CentOS 7. Live migration
> does work when using VMs created using CentOS 7.
>  
> Error message:
> “libvirtd virKeepAliveTimerInternal connection closed due to keep
> alive timeout.
> Cannot acquire state change lock (held by
> remoteDispatchDomainMigratePrepare3params)”
>  
> Surrounding error messages here:
> Origin Host: https://pastebin.com/fLN6DRiq
> Recipient Host: https://pastebin.com/xR6mnaW2
>  
> The command being run is:
> Virsh --connect qemu:///system migrate --live vmname
> qemu+SSH://host2/system
>  
> Firewall is turned off, SELinux is turned off, CentOS 7 CPUs are
> identical, both hosts fully updated.
>  
> I’ve tried:
>  
> Converting the VM from QCOW2 to Raw
> Converting the VM from QCOW2 to QCOW2 to try to get it to regenerate
> the XML/inject CentOS 7 Drivers
> Installed new drivers
> Updated all the packages in the VM.
> Removed all the Devices from the VM, except the HDDs.
>  
>  
> Hans Knecht – DevOps Network Administrator
> Kinsale Insurance Company  I  2221 Edward Holland Drive I  Suite 600 
> I  Richmond, VA 23230
> (804) 289-1300 x5102 office  I (804) 673-5697 fax I hans.knecht at kinsa
> leins.com I www.kinsaleins.com
>  
> From: Hans Knecht [mailto:hans.knecht at kinsaleins.com] 
> Sent: Monday, November 06, 2017 8:38 AM
> To: 'libvirt-users at redhat.com' <libvirt-users at redhat.com>
> Subject: Live Migration Issue
>  
> I’m hoping someone here can help me figure out what’s going on here.
>  
> I’ve got two CentOS 7 hosts with shared storage that I’m trying to do
> live migrations between and I’m running into an error with VMs that
> were originally created on a CentOS 6 host and then moved the CentOS
> 7 hosts. The CentOS 6 VM runs fine on the host, and can do non-live
> migrations without any issues, however when attempting to live
> migrate the VM it fails with the following error message:
>  
> Hans Knecht – DevOps Network Administrator
> Kinsale Insurance Company  I  2221 Edward Holland Drive I  Suite 600 
> I  Richmond, VA 23230
> (804) 289-1300 x5102 office  I (804) 673-5697 fax I hans.knecht at kinsa
> leins.com I www.kinsaleins.com
>  
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