[ovirt-users] Details about why a live migration failed

[Francesco Romani]

On 03/24/2017 11:58 AM, Davide Ferrari wrote:
> And this is the vdsm log from vmhost04:
>
> Thread-6320717::INFO::2017-03-24
> 11:41:13,019::migration::712::virt.vm::(monitor_migration)
> vmId=`4f627cc1-9b52-4eef-bf3a-c02e8a6303b8`::Migration Progress: 190
> seconds elapsed, 98% of data processed, total data: 16456MB, processed
> data: 9842MB, remaining data: 386MB, transfer speed 52MBps, zero
> pages: 1718676MB, compressed: 0MB, dirty rate: -1, memory iteration: -1
> libvirtEventLoop::DEBUG::2017-03-24
> 11:41:21,007::vm::4291::virt.vm::(onLibvirtLifecycleEvent)
> vmId=`4f627cc1-9b52-4eef-bf3a-c02e8a6303b8`::event Suspended detail 0
> opaque None
> libvirtEventLoop::INFO::2017-03-24
> 11:41:21,025::vm::4815::virt.vm::(_logGuestCpuStatus)
> vmId=`4f627cc1-9b52-4eef-bf3a-c02e8a6303b8`::CPU stopped: onSuspend
> libvirtEventLoop::DEBUG::2017-03-24
> 11:41:21,069::vm::4291::virt.vm::(onLibvirtLifecycleEvent)
> vmId=`4f627cc1-9b52-4eef-bf3a-c02e8a6303b8`::event Resumed detail 0
> opaque None
> libvirtEventLoop::INFO::2017-03-24
> 11:41:21,069::vm::4815::virt.vm::(_logGuestCpuStatus)
> vmId=`4f627cc1-9b52-4eef-bf3a-c02e8a6303b8`::CPU running: onResume
> Thread-6320715::DEBUG::2017-03-24
> 11:41:21,224::migration::715::virt.vm::(stop)
> vmId=`4f627cc1-9b52-4eef-bf3a-c02e8a6303b8`::stopping migration
> monitor thread
> Thread-6320715::ERROR::2017-03-24
> 11:41:21,225::migration::252::virt.vm::(_recover)
> vmId=`4f627cc1-9b52-4eef-bf3a-c02e8a6303b8`::operation failed:
> migration job: unexpectedly failed

This is surprising (no pun intended)
With a pretty high chance this comes from libvirt, I'm afraid you need
to dig in the libvirt logs/journal entries to learn more.
Vdsm could unfortunately do better than what it is already doing :\

-- 
Francesco Romani
Senior SW Eng., Virtualization R&D
Red Hat
IRC: fromani github: @fromanirh