Re: [ovirt-users] Diagnosing Migration Error

Sat, 19 Mar 2016 02:37:58 -0700 

Hi Martin,
Thanks, I checked that log and found the error " AttributeError: 'SourceThread' object has no attribute '_destServer'" which from what I see from my googling was supposedly fixed... I'm running vdsm-4.17.23-0.el7.centos.noarch which I believe is the latest. The full error is: 


Thread-2789::DEBUG::2016-03-18 
14:47:04,200::blockSD::422::Storage.Misc.excCmd::(getReadDelay) 
/usr/bin/taskset --cpu-list 0-23 /usr/bin/dd 
if=/dev/383a1e7d-8b86-4a50-8bc3-e4374c57a3e5/metadata iflag=direct 
of=/dev/null bs=4096 count=1 (cwd None)
Thread-2789::DEBUG::2016-03-18 
14:47:04,211::blockSD::422::Storage.Misc.excCmd::(getReadDelay) SUCCESS: 
<err> = '1+0 records in\n1+0 records out\n4096 bytes (4.1 kB) copied, 
0.000377289 s, 10.9 MB/s\n'; <rc> = 0
mailbox.SPMMonitor::DEBUG::2016-03-18 
14:47:04,999::storage_mailbox::735::Storage.Misc.excCmd::(_checkForMail) 
/usr/bin/taskset --cpu-list 0-23 dd 
if=/rhev/data-center/00000001-0001-0001-0001-0000000002e9/mastersd/dom_md/inbox 
iflag=direct,fullblock count=1 bs=1024000 (cwd None)
mailbox.SPMMonitor::DEBUG::2016-03-18 
14:47:05,015::storage_mailbox::735::Storage.Misc.excCmd::(_checkForMail) 
SUCCESS: <err> = '1+0 records in\n1+0 records out\n1024000 bytes (1.0 
MB) copied, 0.0057206 s, 179 MB/s\n'; <rc> = 0
jsonrpc.Executor/0::DEBUG::2016-03-18 
14:47:06,551::__init__::503::jsonrpc.JsonRpcServer::(_serveRequest) 
Calling 'VM.migrate' in bridge with {u'params': {u'tunneled': u'false', 
u'autoConverge': u'false', u'src': u'ovirt-01.virt.roblib.upei.ca', 
u'dst': u'ovirt-02.virt.roblib.upei.ca:54321', u'vmId': 
u'2be4938e-f4a3-4322-bae3-8a9628b81835', u'abortOnError': u'true', 
u'compressed': u'false', u'method': u'online'}, u'vmID': 
u'2be4938e-f4a3-4322-bae3-8a9628b81835'}
jsonrpc.Executor/0::DEBUG::2016-03-18 
14:47:06,552::API::546::vds::(migrate) {u'tunneled': u'false', 
u'autoConverge': u'false', u'src': u'ovirt-01.virt.roblib.upei.ca', 
u'dst': u'ovirt-02.virt.roblib.upei.ca:54321', u'vmId': 
u'2be4938e-f4a3-4322-bae3-8a9628b81835', u'abortOnError': u'true', 
u'compressed': u'false', u'method': u'online'}
jsonrpc.Executor/0::DEBUG::2016-03-18 
14:47:06,555::__init__::206::jsonrpc.Notification::(emit) Sending event 
{"params": {"2be4938e-f4a3-4322-bae3-8a9628b81835": {"status": 
"Migration Source"}, "notify_time": 4311153220}, "jsonrpc": "2.0", 
"method": "|virt|VM_status|2be4938e-f4a3-4322-bae3-8a9628b81835"}
jsonrpc.Executor/0::DEBUG::2016-03-18 
14:47:06,555::__init__::533::jsonrpc.JsonRpcServer::(_serveRequest) 
Return 'VM.migrate' in bridge with True
Thread-41096::ERROR::2016-03-18 
14:47:06,559::migration::208::virt.vm::(_recover) 
vmId=`2be4938e-f4a3-4322-bae3-8a9628b81835`::[Errno -2] Name or service 
not known
Thread-41096::ERROR::2016-03-18 
14:47:06,559::migration::213::virt.vm::(_recover) 
vmId=`2be4938e-f4a3-4322-bae3-8a9628b81835`::Failed to destroy remote VM

Traceback (most recent call last):
  File "/usr/share/vdsm/virt/migration.py", line 211, in _recover
    self._destServer.destroy(self._vm.id)
AttributeError: 'SourceThread' object has no attribute '_destServer'

Thread-41096::DEBUG::2016-03-18 
14:47:06,560::__init__::206::jsonrpc.Notification::(emit) Sending event 
{"params": {"2be4938e-f4a3-4322-bae3-8a9628b81835": {"status": 
"Migration Source"}, "notify_time": 4311153220}, "jsonrpc": "2.0", 
"method": "|virt|VM_status|2be4938e-f4a3-4322-bae3-8a9628b81835"}
Thread-41096::ERROR::2016-03-18 
14:47:06,560::migration::309::virt.vm::(run) 
vmId=`2be4938e-f4a3-4322-bae3-8a9628b81835`::Failed to migrate

Traceback (most recent call last):
  File "/usr/share/vdsm/virt/migration.py", line 278, in run
    self._setupVdsConnection()

  File "/usr/share/vdsm/virt/migration.py", line 143, in 
_setupVdsConnection

    client = self._createClient(port)
  File "/usr/share/vdsm/virt/migration.py", line 130, in _createClient
    self.remoteHost, int(port), sslctx)

  File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 1269, in 
create_connected_socket

    sock.connect((host, port))

  File "/usr/lib64/python2.7/site-packages/M2Crypto/SSL/Connection.py", 
line 181, in connect

    self.socket.connect(addr)
  File "/usr/lib64/python2.7/socket.py", line 224, in meth
    return getattr(self._sock,name)(*args)
gaierror: [Errno -2] Name or service not known

On 16-03-18 01:22 PM, Martin Sivak wrote:

Hi Charles,

you can probably get much more detailed explanation from the vdsm and
libvirt logs from the two hosts. Take a look at
/var/log/vdsm/vdsm.log.

Best regards

Martin Sivak
SLA / oVirt


On Fri, Mar 18, 2016 at 3:37 PM, Charles Tassell <char...@islandadmin.ca> wrote:

Hello,

   I'm trying to test migrating a VM from one host to another and it's
failing, but with no apparent error message.  I took a look at the server
logs (which I've copied below) but there doesn't seem to be anything in here
that would help track down the problem.  Should I be looking somewhere
besides engine.log on the hosted engine? This is the latest version of oVirt
(3.6.3.4-1.el7.centos) that I just upgraded this morning.  The VM has an ISO
attached over NFS storage and the disk image is on fiber channel.

2016-03-18 14:31:18,913 INFO
[org.ovirt.engine.core.bll.MigrateVmToServerCommand] (default task-25)
[549545f2] Lock Acquired to object
'EngineLock:{exclusiveLocks='[2be4938e-f4a3-4322-bae3-8a9628b81835=<VM,
ACTION_TYPE_FAILED_VM_IS_BEING_MIGRATED$VmName cdTest02>]',
sharedLocks='null'}'
2016-03-18 14:31:19,131 INFO
[org.ovirt.engine.core.bll.MigrateVmToServerCommand]
(org.ovirt.thread.pool-8-thread-45) [549545f2] Running command:
MigrateVmToServerCommand internal: false. Entities affected :  ID:
2be4938e-f4a3-4322-bae3-8a9628b81835 Type: VMAction group MIGRATE_VM with
role type USER
2016-03-18 14:31:19,186 INFO
[org.ovirt.engine.core.vdsbroker.MigrateVDSCommand]
(org.ovirt.thread.pool-8-thread-45) [549545f2] START, MigrateVDSCommand(
MigrateVDSCommandParameters:{runAsync='true',
hostId='cbfd733b-8ced-487d-8754-a2217ce1210f',
vmId='2be4938e-f4a3-4322-bae3-8a9628b81835',
srcHost='ovirt-01.virt.roblib.upei.ca',
dstVdsId='1200a78f-6d05-4e5e-9ef7-6798cf741310',
dstHost='ovirt-02.virt.roblib.upei.ca:54321', migrationMethod='ONLINE',
tunnelMigration='false', migrationDowntime='0', autoConverge='false',
migrateCompressed='false', consoleAddress='null'}), log id: 8f303ba
2016-03-18 14:31:19,188 INFO
[org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateBrokerVDSCommand]
(org.ovirt.thread.pool-8-thread-45) [549545f2] START,
MigrateBrokerVDSCommand(HostName = oVirt-01,
MigrateVDSCommandParameters:{runAsync='true',
hostId='cbfd733b-8ced-487d-8754-a2217ce1210f',
vmId='2be4938e-f4a3-4322-bae3-8a9628b81835',
srcHost='ovirt-01.virt.roblib.upei.ca',
dstVdsId='1200a78f-6d05-4e5e-9ef7-6798cf741310',
dstHost='ovirt-02.virt.roblib.upei.ca:54321', migrationMethod='ONLINE',
tunnelMigration='false', migrationDowntime='0', autoConverge='false',
migrateCompressed='false', consoleAddress='null'}), log id: 792d7e9e
2016-03-18 14:31:19,455 INFO
[org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateBrokerVDSCommand]
(org.ovirt.thread.pool-8-thread-45) [549545f2] FINISH,
MigrateBrokerVDSCommand, log id: 792d7e9e
2016-03-18 14:31:19,470 INFO
[org.ovirt.engine.core.vdsbroker.MigrateVDSCommand]
(org.ovirt.thread.pool-8-thread-45) [549545f2] FINISH, MigrateVDSCommand,
return: MigratingFrom, log id: 8f303ba
2016-03-18 14:31:19,498 INFO
[org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
(org.ovirt.thread.pool-8-thread-45) [549545f2] Correlation ID: 549545f2, Job
ID: 3f97f737-d32a-4ffa-b213-122dcd3ca048, Call Stack: null, Custom Event ID:
-1, Message: Migration started (VM: cdTest02, Source: oVirt-01, Destination:
oVirt-02, User: admin@internal).
2016-03-18 14:31:28,055 INFO [org.ovirt.engine.core.vdsbroker.VmAnalyzer]
(DefaultQuartzScheduler_Worker-39) [] VM
'2be4938e-f4a3-4322-bae3-8a9628b81835'(cdTest02) moved from 'MigratingFrom'
--> 'Up'
2016-03-18 14:31:28,055 INFO [org.ovirt.engine.core.vdsbroker.VmAnalyzer]
(DefaultQuartzScheduler_Worker-39) [] Adding VM
'2be4938e-f4a3-4322-bae3-8a9628b81835' to re-run list
2016-03-18 14:31:28,114 ERROR
[org.ovirt.engine.core.vdsbroker.VmsMonitoring]
(DefaultQuartzScheduler_Worker-39) [] Rerun VM
'2be4938e-f4a3-4322-bae3-8a9628b81835'. Called from VDS 'oVirt-01'
2016-03-18 14:31:28,202 INFO
[org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateStatusVDSCommand]
(org.ovirt.thread.pool-8-thread-46) [] START,
MigrateStatusVDSCommand(HostName = oVirt-01,
MigrateStatusVDSCommandParameters:{runAsync='true',
hostId='cbfd733b-8ced-487d-8754-a2217ce1210f',
vmId='2be4938e-f4a3-4322-bae3-8a9628b81835'}), log id: 618baaa6
2016-03-18 14:31:29,209 INFO
[org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateStatusVDSCommand]
(org.ovirt.thread.pool-8-thread-46) [] FINISH, MigrateStatusVDSCommand, log
id: 618baaa6
2016-03-18 14:31:29,250 ERROR
[org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
(org.ovirt.thread.pool-8-thread-46) [] Correlation ID: 549545f2, Job ID:
3f97f737-d32a-4ffa-b213-122dcd3ca048, Call Stack: null, Custom Event ID: -1,
Message: Migration failed  (VM: cdTest02, Source: oVirt-01, Destination:
oVirt-02).
2016-03-18 14:31:29,262 INFO
[org.ovirt.engine.core.bll.MigrateVmToServerCommand]
(org.ovirt.thread.pool-8-thread-46) [] Lock freed to object
'EngineLock:{exclusiveLocks='[2be4938e-f4a3-4322-bae3-8a9628b81835=<VM,
ACTION_TYPE_FAILED_VM_IS_BEING_MIGRATED$VmName cdTest02>]',
sharedLocks='null'}'
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