Hi,
I am testing the VM migration in oVirt engine 3.1 bteta release and
successfully did the migration test on NFS date center. However, the
test of VM migration on iSCSI data center failed.
I dumped the error and warning segments from the vdsm logs on both the
source and destination host. Please ignore the time stamp out of sync
between the two hosts.
_
_*The vdsm log segment from the source host:*
66-4da5-8310-6dcc970e5367`::migration downtime thread exiting
Thread-115166::ERROR::2012-07-25
23:18:55,953::vm::176::vm.Vm::(_recover)
vmId=`11e06222-2d66-4da5-8310-6dcc970e5367`::operation failed: Failed to
connect to remote libvirt URI qemu+tcp://9.181.129.110/system
Dummy-115148::DEBUG::2012-07-25
23:18:55,981::__init__::1249::Storage.Misc.excCmd::(_log) 'dd
if=/rhev/data-center/0b9a4ea4-d487-11e1-b614-5254001498c4/mastersd/dom_md/inbox
iflag=direct,fullblock count=1 bs=1024000' (cwd None)
Thread-115166::ERROR::2012-07-25 23:18:56,028::vm::240::vm.Vm::(run)
vmId=`11e06222-2d66-4da5-8310-6dcc970e5367`::Failed to migrate
Traceback (most recent call last):
File "/usr/share/vdsm/vm.py", line 223, in run
self._startUnderlyingMigration()
File "/usr/share/vdsm/libvirtvm.py", line 451, in
_startUnderlyingMigration
None, maxBandwidth)
File "/usr/share/vdsm/libvirtvm.py", line 491, in f
ret = attr(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py",
line 82, in wrapper
ret = f(*args, **kwargs)
File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1034, in
migrateToURI2
if ret == -1: raise libvirtError ('virDomainMigrateToURI2()
failed', dom=self)
libvirtError: operation failed: Failed to connect to remote libvirt URI
qemu+tcp://9.181.129.110/system
*The vdsm log segment from the destination host:*
Thread-1577::INFO::2012-07-25
23:19:50,407::API::601::vds::(_getNetworkIp) network None: using 0
Thread-1577::INFO::2012-07-25 23:19:50,407::API::228::vds::(create)
vmContainerLock acquired by vm 11e06222-2d66-4da5-8310-6dcc970e5367
Thread-1578::DEBUG::2012-07-25
23:19:50,411::vm::564::vm.Vm::(_startUnderlyingVm)
vmId=`11e06222-2d66-4da5-8310-6dcc970e5367`::Start
Thread-1577::DEBUG::2012-07-25 23:19:50,411::API::244::vds::(create)
Total desktops after creation of 11e06222-2d66-4da5-8310-6dcc970e5367 is 1
Thread-1578::DEBUG::2012-07-25
23:19:50,411::vm::568::vm.Vm::(_startUnderlyingVm)
vmId=`11e06222-2d66-4da5-8310-6dcc970e5367`::_ongoingCreations acquired
Thread-1577::DEBUG::2012-07-25
23:19:50,412::libvirtvm::2438::vm.Vm::(waitForMigrationDestinationPrepare)
vmId=`11e06222-2d66-4da5-8310-6dcc970e5367`::migration destination:
waiting 36s for path preparation
Thread-1578::INFO::2012-07-25
23:19:50,412::libvirtvm::1285::vm.Vm::(_run)
vmId=`11e06222-2d66-4da5-8310-6dcc970e5367`::VM wrapper has started
Thread-1578::WARNING::2012-07-25
23:19:50,413::vm::398::vm.Vm::(getConfDevices)
vmId=`11e06222-2d66-4da5-8310-6dcc970e5367`::Unknown type found, device:
'{'device': 'unix', 'alias': 'channel0', 'type': 'channel', 'address':
{'bus': '0', 'controller': '0', 'type': 'virtio-serial', 'port': '1'}}'
found
Thread-1578::ERROR::2012-07-25
23:24:50,484::vm::604::vm.Vm::(_startUnderlyingVm)
vmId=`11e06222-2d66-4da5-8310-6dcc970e5367`::The vm start process failed
Traceback (most recent call last):
File "/usr/share/vdsm/vm.py", line 584, in _startUnderlyingVm
self._waitForIncomingMigrationFinish()
File "/usr/share/vdsm/libvirtvm.py", line 1572, in
_waitForIncomingMigrationFinish
self._connection.lookupByUUIDString(self.id),
File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py",
line 82, in wrapper
ret = f(*args, **kwargs)
File "/usr/lib64/python2.7/site-packages/libvirt.py", line 2608, in
lookupByUUIDString
if ret is None:raise libvirtError('virDomainLookupByUUIDString()
failed', conn=self)
libvirtError: Domain not found: no domain with matching uuid
'11e06222-2d66-4da5-8310-6dcc970e5367' - Timed out (did not receive
success event)
Thread-1578::DEBUG::2012-07-25
23:24:50,485::vm::920::vm.Vm::(setDownStatus)
vmId=`11e06222-2d66-4da5-8310-6dcc970e5367`::Changed state to Down:
Domain not found: no domain with matching uuid '11e0622
Any idea?
--
Shu Ming <shum...@linux.vnet.ibm.com>
IBM China Systems and Technology Laboratory
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