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Hi Andrew,
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<div>Do you have a shared /var/lib/nova between the two instances? If you do not then you won't be able to do a migration without using --block_migrate.</div>
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<div><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; ">
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<div>---</div>
<div>Joseph Breu</div>
<div>Deployment Engineer</div>
<div>Rackspace Cloud Builders</div>
<div>210-312-3508</div>
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<div>On Mar 23, 2012, at 1:23 PM, Andrew Weiss wrote:</div>
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<span>Hey guys,</span>
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<div><span>Not sure if this is a bug or something wrong on my end. Attempting to conduct a live migration between two compute nodes I have running. Using Essex release rc1. When I execute the following command: 'nova live-migration <server_id> <compute hostname>'
I get an HTTP 400 failure. Below is an error that I found in my nova-scheduler.log file:</span></div>
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<div>ERROR: Live migration of instance 7a938bdb-9970-41fd-acc2-d27fa3d13088 to host computehost1 failed (HTTP 400)</div>
<div>(nova.rpc.amqp): TRACE: File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py", line 222, in schedule_live_migration</div>
<div>(nova.rpc.amqp): TRACE: disk_over_commit)</div>
<div>(nova.rpc.amqp): TRACE: File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py", line 322, in _live_migration_common_check</div>
<div>(nova.rpc.amqp): TRACE: self.mounted_on_same_shared_storage(context, instance_ref, dest)</div>
<div>(nova.rpc.amqp): TRACE: File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py", line 521, in mounted_on_same_shared_storage</div>
<div>(nova.rpc.amqp): TRACE: raise exception.FileNotFound(file_path=filename)</div>
<div>(nova.rpc.amqp): TRACE: FileNotFound: File tmpQ9Ig08 could not be found.</div>
<div>(nova.rpc.amqp): TRACE:</div>
<div>2012-03-23 14:18:06 ERROR nova.rpc.amqp [req-aca97b5b-f456-4b9a-8561-ff12bd66aad9 10daac9302ba42eb9f4b592955680407 e57faa938486428a9ba6d77402f5279c] Returning exception File tmpQ9Ig08 could not be found. to caller</div>
<div>2012-03-23 14:18:06 ERROR nova.rpc.amqp [req-aca97b5b-f456-4b9a-8561-ff12bd66aad9 10daac9302ba42eb9f4b592955680407 e57faa938486428a9ba6d77402f5279c] ['Traceback (most recent call last):\n', ' File "/usr/lib/python2.7/dist-packages/nova/rpc/amqp.py", line
252, in _process_data\n rval = node_func(context=ctxt, **node_args)\n', ' File "/usr/lib/python2.7/dist-packages/nova/scheduler/manager.py", line 97, in _schedule\n context, ex, *args, **kwargs)\n', ' File "/usr/lib/python2.7/contextlib.py", line 24,
in __exit__\n self.gen.next()\n', ' File "/usr/lib/python2.7/dist-packages/nova/scheduler/manager.py", line 92, in _schedule\n return driver_method(*args, **kwargs)\n', ' File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py", line 222, in
schedule_live_migration\n disk_over_commit)\n', ' File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py", line 322, in _live_migration_common_check\n self.mounted_on_same_shared_storage(context, instance_ref, dest)\n', ' File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py",
line 521, in mounted_on_same_shared_storage\n raise exception.FileNotFound(file_path=filename)\n', 'FileNotFound: File tmpQ9Ig08 could not be found.\n']</div>
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<div>I can't seem to figure out what file is is trying to find. Just looking to get some guidance on this.</div>
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<div>Thanks,</div>
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<span name="x"></span><font size="2" style="font-family: tahoma, 'new york', times, serif; "><span style="font-weight: bold; ">Andrew Weiss<span class="Apple-converted-space"> </span></span><br>
<a href="http://mailto:weissa@purdue.edu">weissa@purdue.edu<span class="Apple-converted-space"> </span></a><br>
LinkedIn |<span class="Apple-converted-space"> </span><a href="http://www.linkedin.com/in/weissa">http://www.linkedin.com/in/weissa</a></font><span name="x"></span><br>
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