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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Hi Jakub,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">I see the same error message when trying live migration and simple LVM cinder driver.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">I wondered that the error has shown up on the post-migration compute host, not pre-migration compute host.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">This may be the bug#1273268 which has been ‘unassigned’ for 6 months.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><a href="https://bugs.launchpad.net/nova/+bug/1273268">https://bugs.launchpad.net/nova/+bug/1273268</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Does anyone tell the status?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Any information would be appreciated.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Thanks and regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Nodes:
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Controller<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Compute01<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Compute02<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Procedure:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd;text-indent:-18.0pt;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Launch a VM (booted on Compute01)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd;text-indent:-18.0pt;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Exec LiveMigration from Compute01 to Compute02<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;mso-para-margin-left:0gd;text-indent:-18.0pt;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">You see the following error message.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Error logs:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">[compute01: pre-migration host]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:50.223 6643 AUDIT nova.compute.resource_tracker [-] Auditing locally available compute resources<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:50.958 6643 AUDIT nova.compute.resource_tracker [-] Free ram (MB): 6848<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:50.959 6643 AUDIT nova.compute.resource_tracker [-] Free disk (GB): 114<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:50.959 6643 AUDIT nova.compute.resource_tracker [-] Free VCPUS: 3<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:51.107 6643 INFO nova.compute.resource_tracker [-] Compute_service record updated for rhelospcp1.local.localnet:rhelospcp1.local.localnet<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">[compute02: post-migration host]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.894 6250 AUDIT nova.compute.manager [req-1559e6c0-6ddb-41ee-9eff-f3772f79df38 af07f17b76424dcbb3509da88a994ed0 031751b0c86d457a8388f2523129ba88]
[instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c] Detach volume fdb5382a-ef06-4635-969c-10febac135e7 from mountpoint vda<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.908 6250 WARNING nova.compute.manager [req-1559e6c0-6ddb-41ee-9eff-f3772f79df38 af07f17b76424dcbb3509da88a994ed0 031751b0c86d457a8388f2523129ba88]
[instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c] Detaching volume from unknown instance<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.918 6250 ERROR nova.compute.manager [req-1559e6c0-6ddb-41ee-9eff-f3772f79df38 af07f17b76424dcbb3509da88a994ed0 031751b0c86d457a8388f2523129ba88]
[instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c] Failed to detach volume fdb5382a-ef06-4635-969c-10febac135e7 from vda<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.918 6250 TRACE nova.compute.manager [instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c] Traceback (most recent call last):<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.918 6250 TRACE nova.compute.manager [instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c] File "/usr/lib/python2.6/site-packages/nova/compute/manager.py",
line 3746, in _detach_volume<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.918 6250 TRACE nova.compute.manager [instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c] encryption=encryption)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.918 6250 TRACE nova.compute.manager [instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c] File "/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py",
line 1214, in detach_volume<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.918 6250 TRACE nova.compute.manager [instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c] virt_dom = self._lookup_by_name(instance_name)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.918 6250 TRACE nova.compute.manager [instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c] File "/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py",
line 3129, in _lookup_by_name<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.918 6250 TRACE nova.compute.manager [instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c] raise exception.InstanceNotFound(instance_id=instance_name)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.918 6250 TRACE nova.compute.manager [instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c] InstanceNotFound: Instance instance-00000011
could not be found.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">2014-06-30 13:37:17.918 6250 TRACE nova.compute.manager [instance: 12c7491f-3cd7-4f0d-9aa3-0e4fea69581c]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"ＭＳ ゴシック";color:#1F497D">Tetsuya<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0mm 0mm 0mm">
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> Jakub Pavlík [mailto:J.Pavlik@tcpisek.cz]
<br>
<b>Sent:</b> Monday, June 30, 2014 8:08 PM<br>
<b>To:</b> openstack@lists.openstack.org<br>
<b>Cc:</b> Adam Skotnický; Vlastimil Mikeš<br>
<b>Subject:</b> [Openstack] Volume backed live migration error<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">Hi guys,<br>
<br>
I have problem with live migration and block migration with IBM SVC plugin for Cinder at Fibre Channel. I have instance (boot from volume) running at compute node ch1nod2 and I am trying to migrate on second compute ch1nod3. I run the command and it takes about
1 second, after that instance is in state MIGRATION and at ch1nod3 I can see a new paused instance. It takes about 6 minutes and after I can see the errors bellow.<br>
<br>
[root@ctl-1*12* ~]#nova list
<br>
+--------------------------------------+----------------+--------+------------+-------------+------------------------+
<br>
| ID | Name | Status | Task State | Power State | Networks |<br>
+--------------------------------------+----------------+--------+------------+-------------+------------------------+
<br>
| 8a9979f0-8a27-40ee-bc9d-b8cf17dd7265 | WindowsTest | ACTIVE | - | Running | network1=192.168.6.54 |
<br>
| 9c5afd75-ab19-44c6-a630-458431ad4eda | centossnap2 | ACTIVE | - | Running | network2=192.168.7.252 |
<br>
| df725a9f-784a-4207-b7d0-da2a9f34eb9c | next | ACTIVE | - | NOSTATE | network1=192.168.6.253 |
<br>
| 2cb09534-5413-4975-8560-b05ff9645c35 | volumesnaphost | ACTIVE | - | Running | network2=192.168.7.253 |
<br>
+--------------------------------------+----------------+--------+------------+-------------+------------------------+
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Meiryo UI";color:black">│</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black"><br>
<br>
[root@ctl-1*12* ~]#nova live-migration 9c5afd75-ab19-44c6-a630-458431ad4ed ch1nod3.12.intra.cloudlab.cz
<br>
<br>
<br>
<b>ch1nod2 - compute node</b><br>
2014-06-30 11:02:17.376 3079 INFO nova.compute.manager [-] [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] During sync_power_state the instance has a pending task. Skip.<br>
<br>
2014-06-30 11:08:11.606 3079 INFO nova.compute.resource_tracker [-] Compute_service record updated for ch1nod2.12.intra.cloudlab.cz:ch1nod2.12.intra.cloudlab.cz<br>
2014-06-30 11:09:07.582 3079 INFO nova.compute.manager [-] Lifecycle event 3 on VM 9c5afd75-ab19-44c6-a630-458431ad4eda<br>
2014-06-30 11:09:07.585 3079 ERROR nova.virt.libvirt.driver [-] [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] Live Migration failure: operation failed: migration job: unexpectedly failed<br>
2014-06-30 11:09:11.670 3079 AUDIT nova.compute.resource_tracker [-] Auditing locally available compute resources<br>
2014-06-30 11:09:11.873 3079 AUDIT nova.compute.resource_tracker [-] Free ram (MB): 189078<br>
2014-06-30 11:09:11.874 3079 AUDIT nova.compute.resource_tracker [-] Free disk (GB): 156<br>
2014-06-30 11:09:11.874 3079 AUDIT nova.compute.resource_tracker [-] Free VCPUS: 22<br>
<br>
<br>
<b>ch1nod3 - compute node</b><br>
<br>
2014-06-30 11:09:07.578 29488 INFO nova.compute.manager [-] Lifecycle event 1 on VM 9c5afd75-ab19-44c6-a630-458431ad4eda<br>
2014-06-30 11:09:07.738 29488 INFO nova.compute.manager [-] [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] During the sync_power process the instance has moved from host ch1nod3.12.intra.cloudlab.cz to host ch1nod2.12.intra.cloudlab.cz<br>
2014-06-30 11:09:07.939 29488 AUDIT nova.compute.manager [req-6748d84f-4f0c-43ef-97b4-12e74a989b57 6836cb1afded478a802e2f28020b2bad e47d5141f5ac40f8a5fedf76bb40e904] [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] Detach volume 5c0160d7-f9e2-4089-9b0b-d3f3ad46006c
from mountpoint vda<br>
2014-06-30 11:09:07.941 29488 WARNING nova.compute.manager [req-6748d84f-4f0c-43ef-97b4-12e74a989b57 6836cb1afded478a802e2f28020b2bad e47d5141f5ac40f8a5fedf76bb40e904] [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] Detaching volume from unknown instance<br>
2014-06-30 11:09:07.944 29488 ERROR nova.compute.manager [req-6748d84f-4f0c-43ef-97b4-12e74a989b57 6836cb1afded478a802e2f28020b2bad e47d5141f5ac40f8a5fedf76bb40e904] [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] Failed to detach volume 5c0160d7-f9e2-4089-9b0b-d3f3ad46006c
from vda<br>
2014-06-30 11:09:07.944 29488 TRACE nova.compute.manager [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] Traceback (most recent call last):<br>
2014-06-30 11:09:07.944 29488 TRACE nova.compute.manager [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] File "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line 3725, in _detach_volume<br>
2014-06-30 11:09:07.944 29488 TRACE nova.compute.manager [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] encryption=encryption)<br>
2014-06-30 11:09:07.944 29488 TRACE nova.compute.manager [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] File "/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 1202, in detach_volume<br>
2014-06-30 11:09:07.944 29488 TRACE nova.compute.manager [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] virt_dom = self._lookup_by_name(instance_name)<br>
2014-06-30 11:09:07.944 29488 TRACE nova.compute.manager [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] File "/usr/lib/python2.6/site-packages/nova/virt/libvirt/driver.py", line 3085, in _lookup_by_name<br>
2014-06-30 11:09:07.944 29488 TRACE nova.compute.manager [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] raise exception.InstanceNotFound(instance_id=instance_name)<br>
2014-06-30 11:09:07.944 29488 TRACE nova.compute.manager [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda] InstanceNotFound: Instance instance-000009e0 could not be found.<br>
2014-06-30 11:09:07.944 29488 TRACE nova.compute.manager [instance: 9c5afd75-ab19-44c6-a630-458431ad4eda]
<br>
<br>
<br>
[root@ch1nod2 ~]# grep "tls\|tcp" /etc/libvirt/libvirtd.conf | grep -v "^#"<br>
listen_tls = 0<br>
listen_tcp = 1<br>
auth_tcp = "none"<br>
<br>
<b>nova.conf</b><br>
# Migration flags to be set for live migration (string value)<br>
#live_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE, VIR_MIGRATE_PEER2PEER<br>
live_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE,VIR_MIGRATE_PEER2PEER,VIR_MIGRATE_LIVE<br>
<br>
# Migration flags to be set for block migration (string value)<br>
block_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE, VIR_MIGRATE_PEER2PEER, VIR_MIGRATE_NON_SHARED_INC<br>
<br>
<br>
Can anybody help me with this problem?<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black">Jakub<o:p></o:p></span></p>
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