Traceback (most recent call last):
  File "/export/apps/ceph/ceph_ng/add_hosts_to_conf.py", line 234, in <module>
    main()
  File "/export/apps/ceph/ceph_ng/add_hosts_to_conf.py", line 214, in main
    _config.extend(add_osds())
  File "/export/apps/ceph/ceph_ng/add_hosts_to_conf.py", line 149, in add_osds
    assert len(result) > 0
AssertionError
Traceback (most recent call last):
  File "/export/apps/ceph/ceph_ng/rsize_pool_pgs.py", line 158, in <module>
    main()
  File "/export/apps/ceph/ceph_ng/rsize_pool_pgs.py", line 154, in main
    resize(pool)
  File "/export/apps/ceph/ceph_ng/rsize_pool_pgs.py", line 121, in resize
    _calc_size = calc_dest_size(pool)
  File "/export/apps/ceph/ceph_ng/rsize_pool_pgs.py", line 111, in calc_dest_size
    dst_size = round_2_pow(count_osds() * 50)
  File "/export/apps/ceph/ceph_ng/rsize_pool_pgs.py", line 29, in round_2_pow
    return int(pow(2,round(log(num,2))))
ValueError: math domain error