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Posted to commits@cloudstack.apache.org by GitBox <gi...@apache.org> on 2021/11/24 20:03:34 UTC
[GitHub] [cloudstack] PeterS-gd opened a new issue #5717: Libvirt exception on live migrate
PeterS-gd opened a new issue #5717:
URL: https://github.com/apache/cloudstack/issues/5717
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##### ISSUE TYPE
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* Bug Report
##### COMPONENT NAME
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Categorize the issue, e.g. API, VR, VPN, UI, etc.
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VR, VM
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##### CLOUDSTACK VERSION
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New line separated list of affected versions, commit ID for issues on main branch.
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4.15.2
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##### CONFIGURATION
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Information about the configuration if relevant, e.g. basic network, advanced networking, etc. N/A otherwise
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Advanced Networking
##### OS / ENVIRONMENT
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Information about the environment if relevant, N/A otherwise
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Ubuntu 20.04, KVM hypervisor
##### SUMMARY
<!-- Explain the problem/feature briefly -->
I am unable to live migrate any of my VMs.
This issue seems relevant (https://issues.apache.org/jira/browse/CLOUDSTACK-7743), but there is no solution listed.
Original email thread: https://lists.apache.org/thread/9yjz248tk0l7y8w4rvzp0r0s3bx8tv8z
##### STEPS TO REPRODUCE
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For bugs, show exactly how to reproduce the problem, using a minimal test-case. Use Screenshots if accurate.
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Create a shared or isolated network and then try to migrate a VM instance from one host to another.
Interfaces and brctl output: https://gist.github.com/PeterS-gd/fc97d165ef46e4b9b4026f6450a9dd54
Host1 agent log (source of migration): https://gist.github.com/PeterS-gd/221ad3affeb77da0828323ca2c2ae119
Host2 agent log (destination of migration): https://gist.github.com/PeterS-gd/d250c240f63538a6bd541b7870dffe0d
Here are the agents' properties: https://gist.github.com/PeterS-gd/230c6e2b843901b71feb54c39270a4a8
Traffic labels:
Management: cloudbr1
Guest: cloudbr0
Public: cloudbr0
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##### EXPECTED RESULTS
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That the VM would live migrate
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##### ACTUAL RESULTS
<!-- What actually happened? -->
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Exception during migrate: org.libvirt.LibvirtException: Cannot get interface MTU on 'brenp3s0f0-3128': No such device
~~~
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[GitHub] [cloudstack] sureshanaparti commented on issue #5717: Libvirt exception on live migrate
Posted by GitBox <gi...@apache.org>.
sureshanaparti commented on issue #5717:
URL: https://github.com/apache/cloudstack/issues/5717#issuecomment-1034590442
> Hi @PeterS-gd Discussed with Wei, and this seems to be env specific issue. The migration doesn't succeed in this case as the destination host in the migration has the interface with the same interface name of source host on which guest network bridge is configured. Good that, you solved this by adding a bond between cloud bridge and physical interface. Created a doc PR here [apache/cloudstack-documentation#263](https://github.com/apache/cloudstack-documentation/pull/263) suggesting guest bridge configuration for live migration. cc @weizhouapache Can I close this ticket with this note?
ping @PeterS-gd can you update on this please. thanks.
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[GitHub] [cloudstack] PeterS-gd commented on issue #5717: Libvirt exception on live migrate
Posted by GitBox <gi...@apache.org>.
PeterS-gd commented on issue #5717:
URL: https://github.com/apache/cloudstack/issues/5717#issuecomment-1034901772
Yes, it was not migrating because the interfaces were not named the same. When I created bonds on both hosts that had the same name over the interface, it worked and has continued to work since then. So, yes this problem has been solved and the ticket can be closed.
----------------------------------------
From: "sureshanaparti" ***@***.***>
Sent: 2/10/22 2:46 AM
To: apache/cloudstack ***@***.***>
Cc: PeterS-gd ***@***.***>, Mention ***@***.***>
Subject: Re: [apache/cloudstack] Libvirt exception on live migrate (Issue #5717)
Hi @PeterS-gd Discussed with Wei, and this seems to be env specific issue. The migration doesn't succeed in this case as the destination host in the migration has the interface with the same interface name of source host on which guest network bridge is configured. Good that, you solved this by adding a bond between cloud bridge and physical interface. Created a doc PR here apache/cloudstack-documentation#263 suggesting guest bridge configuration for live migration. cc @weizhouapache Can I close this ticket with this note?
ping @PeterS-gd can you update on this please. thanks.
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[GitHub] [cloudstack] DaanHoogland closed issue #5717: Libvirt exception on live migrate
Posted by GitBox <gi...@apache.org>.
DaanHoogland closed issue #5717:
URL: https://github.com/apache/cloudstack/issues/5717
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[GitHub] [cloudstack] sureshanaparti commented on issue #5717: Libvirt exception on live migrate
Posted by GitBox <gi...@apache.org>.
sureshanaparti commented on issue #5717:
URL: https://github.com/apache/cloudstack/issues/5717#issuecomment-1033828101
Hi @PeterS-gd Discussed with Wei, and this seems to be env specific issue. The migration doesn't succeed in this case as the destination host in the migration has the interface with the same interface name of source host on which guest network bridge is configured. Good that, you solved this by adding a bond between cloud bridge and physical interface. Created a doc PR here https://github.com/apache/cloudstack-documentation/pull/263 suggesting guest bridge configuration for live migration. cc @weizhouapache Can I close this ticket with this note?
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[GitHub] [cloudstack] weizhouapache commented on issue #5717: Libvirt exception on live migrate
Posted by GitBox <gi...@apache.org>.
weizhouapache commented on issue #5717:
URL: https://github.com/apache/cloudstack/issues/5717#issuecomment-1034590870
@sureshanaparti
agree to close this ticket.
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[GitHub] [cloudstack] DaanHoogland commented on issue #5717: Libvirt exception on live migrate
Posted by GitBox <gi...@apache.org>.
DaanHoogland commented on issue #5717:
URL: https://github.com/apache/cloudstack/issues/5717#issuecomment-1034612790
closing on above remarks, @PeterS-gd please reopen or create a new ticket if it persists and you have new information.
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[GitHub] [cloudstack] weizhouapache commented on issue #5717: Libvirt exception on live migrate
Posted by GitBox <gi...@apache.org>.
weizhouapache commented on issue #5717:
URL: https://github.com/apache/cloudstack/issues/5717#issuecomment-981562417
I have discussed with @PeterS-gd
the issue is caused by different dev name attached by cloudbr0 on hosts (enp3s0f0 on source host, enp3s0f1 on destination host but it also has enp3s0f0)
this is a very rare use case
it can be improved with low priority
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