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
______________________________________
D: 087 805 1572 | M: N/A
A: Rutherford Estate, 1 Scott Street, Waverley, Johannesburg
[email protected]

www.vox.co.za



From: Anton Louw
Sent: 23 October 2020 16:08
To: [email protected]
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


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