Apologies, I should also add that the destination node is a new node that was added. Below are the CPU Types:

 

Sources: Intel Westmere IBRS SSBD Family

Destination: Intel Broadwell Family

 

I have set the CPU configs on the cluster to Intel Westmere IBRS SSBD Family, after seeing that the destination node was not compatible.

 


Anton Louw
Cloud Engineer: Storage and Virtualization at Vox
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E: anton.louw@voxtelecom.co.za
A: Rutherford Estate, 1 Scott Street, Waverley, Johannesburg
www.vox.co.za

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From: Anton Louw
Sent: 23 October 2020 16:08
To: users@ovirt.org
Subject: Manual VM Migration fails

 

Hello Everybody,

 

I am having a strange issue. When I try and manually migrate a VM from one host to another, I get an error stating:

 

“Migration failed  (VM: VM1, Source: node6.example.com, Destination: node3.example.com)”

 

I have tried with a few different machines, and it pops up with the same error. I have attached the VDSM logs of both source and destination nodes. The time frame is 16:01

 

I see the below in that time frame, but not quite sure what I need to change:

 

2020-10-23 16:01:14,419+0200 ERROR (migsrc/42186f82) [virt.vm] (vmId='42186f82-b84c-7e65-e736-e6331acd04ed') Failed to migrate (migration:450)

Traceback (most recent call last):

  File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 431, in _regular_run

    time.time(), migrationParams, machineParams

  File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 505, in _startUnderlyingMigration

    self._perform_with_conv_schedule(duri, muri)

  File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 591, in _perform_with_conv_schedule

    self._perform_migration(duri, muri)

  File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 525, in _perform_migration

    self._migration_flags)

  File "/usr/lib/python2.7/site-packages/vdsm/virt/virdomain.py", line 100, in f

    ret = attr(*args, **kwargs)

  File "/usr/lib/python2.7/site-packages/vdsm/common/libvirtconnection.py", line 131, in wrapper

    ret = f(*args, **kwargs)

  File "/usr/lib/python2.7/site-packages/vdsm/common/function.py", line 94, in wrapper

    return func(inst, *args, **kwargs)

  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1781, in migrateToURI3

    if ret == -1: raise libvirtError ('virDomainMigrateToURI3() failed', dom=self)

libvirtError: operation failed: guest CPU doesn't match specification: missing features: spec-ctrl,ssbd