[libvirt-users] Live-Migration not possible: error: operation failed: guest CPU doesn't match specification

Lentes, Bernd bernd.lentes at helmholtz-muenchen.de
Wed Sep 18 15:07:23 UTC 2019


Hi,

i have atwo node HA-cluster with pacemaker, corosync, libvirt and KVM.
Recently i configured a new VirtualDomain which runs fine, but live Migration does not succeed.
This is the error:

VirtualDomain(vm_snipanalysis)[14322]:  2019/09/18_16:56:54 ERROR: snipanalysis: live migration to ha-idg-2 failed: 1
Sep 18 16:56:54 [6970] ha-idg-1       lrmd:   notice: operation_finished:       vm_snipanalysis_migrate_to_0:14322:stderr [ error: operation failed: guest CPU doesn't match specification: missing features: fma,movbe,xsave,avx,f16c,rdrand,fsgsbase,bmi1,avx2,smep,bmi2,erms,invpcid,md-clear,xsaveopt,abm ]

The two servers are from HP, they are similar, but not identical. Their CPU's are different:
One is "Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz", following /proc/cpuinfo, the other is "Intel(R) Xeon(R) CPU X5675  @ 3.07GHz".
Which guest CPU should i choose for having the guest running smoothly on each host ?

Bernd

-- 

Bernd Lentes 
Systemadministration 
Institut für Entwicklungsgenetik 
Gebäude 35.34 - Raum 208 
HelmholtzZentrum münchen 
bernd.lentes at helmholtz-muenchen.de 
phone: +49 89 3187 1241 
phone: +49 89 3187 3827 
fax: +49 89 3187 2294 
http://www.helmholtz-muenchen.de/idg 

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