[Users] Live migration of VM's occasionally fails

[Dafna Ron]

the migration fails in libvirt:


Thread-153709::ERROR::2014-02-14 11:17:40,420::vm::337::vm.Vm::(run) 
vmId=`08434c90-ffa3-4b63-aa8e-5613f7b0e0cd`::Failed to migrate
Traceback (most recent call last):
   File "/usr/share/vdsm/vm.py", line 323, in run
     self._startUnderlyingMigration()
   File "/usr/share/vdsm/vm.py", line 403, in _startUnderlyingMigration
     None, maxBandwidth)
   File "/usr/share/vdsm/vm.py", line 841, in f
     ret = attr(*args, **kwargs)
   File "/usr/lib64/python2.6/site-packages/vdsm/libvirtconnection.py", 
line 76, in wrapper
     ret = f(*args, **kwargs)
   File "/usr/lib64/python2.6/site-packages/libvirt.py", line 1178, in 
migrateToURI2
     if ret == -1: raise libvirtError ('virDomainMigrateToURI2() 
failed', dom=self)
libvirtError: Unable to read from monitor: Connection reset by peer
Thread-54041::DEBUG::2014-02-14 
11:17:41,752::task::579::TaskManager.Task::(_updateState) 
Task=`094c412a-43dc-4c29-a601-d759486469a8`::moving from state init -> 
state preparing
Thread-54041::INFO::2014-02-14 
11:17:41,753::logUtils::44::dispatcher::(wrapper) Run and protect: 
getVolumeSize(sdUUID='a52938f7-2cf4-4771-acb2-0c78d14999e5', 
spUUID='fcb89071-6cdb-4972-94d1-c9324cebf814', 
imgUUID='97c9108f-a506-415f-ad2
c-370d707cb130', volUUID='61f82f7f-18e4-4ea8-9db3-71ddd9d4e836', 
options=None)

Do you have the same libvirt/vdsm/qemu on both your hosts?
Please attach the libvirt and vm logs from both hosts.

Thanks,
Dafna


On 02/14/2014 04:50 PM, Steve Dainard wrote:
> Quick overview:
> Ovirt 3.3.2 running on CentOS 6.5
> Two hosts: ovirt001, ovirt002
> Migrating two VM's: puppet-agent1, puppet-agent2 from ovirt002 to 
> ovirt001.
>
> The first VM puppet-agent1 migrates successfully. The second VM 
> puppet-agent2 fails with "Migration failed due to Error: Fatal error 
> during migration (VM: puppet-agent2, Source: ovirt002, Destination: 
> ovirt001)."
>
> I've attached the logs if anyone can help me track down the issue.
>
> Thanks,
>
> *Steve Dainard *
> IT Infrastructure Manager
> Miovision <http://miovision.com/> | /Rethink Traffic/
>
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-- 
Dafna Ron