Cinder Backup does not support LVM, see: https://docs.openstack.org/cinder/rocky/drivers.html#backup-drivers
Cinder Backup is forced as 'yes' and enabling Cinder enables relevant roles which deploy Cinder Backup as well.
Cinder Backup is (also unconditionally) configured to use Ceph which is unlikely to be deployed there.
Cinder Backup does not support LVM, see: /docs.openstack .org/cinder/ rocky/drivers. html#backup- drivers
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Cinder Backup is forced as 'yes' and enabling Cinder enables relevant roles which deploy Cinder Backup as well.
Cinder Backup is (also unconditionally) configured to use Ceph which is unlikely to be deployed there.