[Users] migrations failing with latest master + vdsm

[Dan Kenigsberg]

On Fri, Oct 11, 2013 at 03:30:35PM -0500, Dead Horse wrote:
> VM migrations are failing with latest master engine and vdsm
> 
> logs attached from engine and both hosts
> 
> Hosts are EL 6.4 with latest master VDSM

Thanks for your report!

Thread-195::ERROR::2013-10-11 15:22:39,508::vm::304::vm.Vm::(run) vmId=`4bad94ad-c338-4ec5-8e5b-9910d58c1854`::Failed to migrate
Traceback (most recent call last):
  File "/usr/share/vdsm/vm.py", line 291, in run
    self._startUnderlyingMigration()
  File "/usr/share/vdsm/vm.py", line 369, in _startUnderlyingMigration
    self._abortOnError else 0),
AttributeError: 'module' object has no attribute 'VIR_MIGRATE_ABORT_ON_ERROR'


Peter, Michal, I think that VIR_MIGRATE_ABORT_ON_ERROR is expected only in
el6.5, which is still not public
    Bug 972675 - Fail migration when VM get paused due to EIO

This must be reverted in vdsm or hacked in Engine (do not set abortOnError=True if libvirt < libvirt-0.10.2-20.el6)

> 
> Additionally the hosts seem to lose connection with their storage domains
> (new behavior), are offline then recovered (even though not is physically
> wrong).