Re: [openstack-dev] openstack-dev] [nova] Cannot live migrattion, because error:libvirtError: the CPU is incompatible with host CPU:Host CPU does not provide required features: cmt, mbm_total, mbm_local

[何健乐]

Hi ,Chris: the following is information from my machines
virsh capobilities from source host:




 <cpu>
      <arch>x86_64</arch>
      <model>Broadwell</model>
      <vendor>Intel</vendor>
      <topology sockets='1' cores='10' threads='2'/>
      <feature name='vme'/>
      <feature name='ds'/>
      <feature name='acpi'/>
      <feature name='ss'/>
      <feature name='ht'/>
      <feature name='tm'/>
      <feature name='pbe'/>
      <feature name='dtes64'/>
      <feature name='ds_cpl'/>
      <feature name='vmx'/>
      <feature name='smx'/>
      <feature name='est'/>
      <feature name='tm2'/>
      <feature name='xtpr'/>
      <feature name='pdcm'/>
      <feature name='dca'/>
      <feature name='osxsave'/>
      <feature name='f16c'/>
      <feature name='rdrand'/>
      <feature name='arat'/>
      <feature name='tsc_adjust'/>
      <feature name='xsaveopt'/>
      <feature name='pdpe1gb'/>
      <feature name='abm'/>
      <feature name='invtsc'/>
      <pages unit='KiB' size='4'/>
      <pages unit='KiB' size='2048'/>
      <pages unit='KiB' size='1048576'/>
    </cpu>


virsh capobilities from destination host:

<cpu>
      <arch>x86_64</arch>
      <model>Broadwell</model>
      <vendor>Intel</vendor>
      <topology sockets='1' cores='10' threads='2'/>
      <feature name='vme'/>
      <feature name='ds'/>
      <feature name='acpi'/>
      <feature name='ss'/>
      <feature name='ht'/>
      <feature name='tm'/>
      <feature name='pbe'/>
      <feature name='dtes64'/>
      <feature name='ds_cpl'/>
      <feature name='vmx'/>
      <feature name='smx'/>
      <feature name='est'/>
      <feature name='tm2'/>
      <feature name='xtpr'/>
      <feature name='pdcm'/>
      <feature name='dca'/>
      <feature name='osxsave'/>
      <feature name='f16c'/>
      <feature name='rdrand'/>
      <feature name='arat'/>
      <feature name='tsc_adjust'/>
      <feature name='xsaveopt'/>
      <feature name='pdpe1gb'/>
      <feature name='abm'/>
      <feature name='invtsc'/>
      <pages unit='KiB' size='4'/>
      <pages unit='KiB' size='2048'/>
      <pages unit='KiB' size='1048576'/>
    </cpu>



libvirt section in nova.conf from source host:


      [libvirt]
inject_partition=-2
inject_password=False
disk_cachemodes=network=writeback
cpu_mode=host-model
virt_type=kvm
inject_key=False
images_rbd_pool=vms
rbd_secret_uuid=43518166-15c4-420f-aa11-e0a681e0e459
images_type=rbd
images_rbd_ceph_conf=/etc/ceph/ceph.conf
hw_disk_discard=unmap
rbd_user=admin
live_migration_uri=qemu+ssh://nova_migration@%s/system?keyfile=/etc/nova/migration/identity




libvirt section in nova.conf from destination host:


[libvirt]
inject_partition=-2
inject_password=False
disk_cachemodes=network=writeback
cpu_mode=host-model
virt_type=kvm
inject_key=False
images_rbd_pool=vms
rbd_secret_uuid=43518166-15c4-420f-aa11-e0a681e0e459
images_type=rbd
images_rbd_ceph_conf=/etc/ceph/ceph.conf
hw_disk_discard=unmap
rbd_user=admin
live_migration_uri=qemu+ssh://nova_migration@%s/system?keyfile=/etc/nova/migration/identity
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