if 'ubuntu' in execute_command('lsb_release -is', return_output=True).lower():
execute_command('ceph osd crush tunables hammer')
- execute_command('ceph osd pool create {} 2 2'.format(pool_name))
+ execute_command('ceph osd pool create {} 128 128'.format(pool_name))
execute_command('rbd create -s {} --image-feature layering {}/{}'.format(size, pool_name, image_name))
disk = execute_command('rbd map {}/{}'.format(pool_name, image_name), return_output=True).strip()
execute_command('virt-install --name {} --memory {} --vcpus {} --disk {},size={},bus=virtio \