Ceph » CephFS

stack@bionicbeaver:~/devstack$ sudo ceph --version
ceph version 14.2.6-268-g2404588 (24045889bfe0c51d31753f37ee53dff33ae14b13) nautilus (stable)
stack@bionicbeaver:~$ sudo ceph fs subvolumegroup create manila-volume manila-group
Error EINVAL: Traceback (most recent call last):
  File "/usr/share/ceph/mgr/mgr_module.py", line 923, in _handle_command
    return self.handle_command(inbuf, cmd)
  File "/usr/share/ceph/mgr/volumes/module.py", line 230, in handle_command
    return handler(inbuf, cmd)
  File "/usr/share/ceph/mgr/volumes/module.py", line 253, in _cmd_fs_subvolumegroup_create
    gid=cmd.get('gid', None), mode=cmd.get('mode', '755'))
  File "/usr/share/ceph/mgr/volumes/fs/volume.py", line 356, in conn_wrapper
    fs_h = self.connection_pool.get_fs_handle(fs_name)
  File "/usr/share/ceph/mgr/volumes/fs/volume.py", line 145, in get_fs_handle
    raise VolumeException(-e.args[0], e.args[1])
TypeError: bad operand type for unary -: 'str'

< ceph mgr logs >

root@bionicbeaver:~# sudo journalctl -f --unit ceph-mgr@x.service
-- Logs begin at Thu 2020-01-09 14:41:46 UTC. --
Jan 20 14:44:50 bionicbeaver ceph-mgr[50888]:     return self.handle_command(inbuf, cmd)
Jan 20 14:44:50 bionicbeaver ceph-mgr[50888]:   File "/usr/share/ceph/mgr/volumes/module.py", line 230, in handle_command
Jan 20 14:44:50 bionicbeaver ceph-mgr[50888]:     return handler(inbuf, cmd)
Jan 20 14:44:50 bionicbeaver ceph-mgr[50888]:   File "/usr/share/ceph/mgr/volumes/module.py", line 253, in _cmd_fs_subvolumegroup_create
Jan 20 14:44:50 bionicbeaver ceph-mgr[50888]:     gid=cmd.get('gid', None), mode=cmd.get('mode', '755'))
Jan 20 14:44:50 bionicbeaver ceph-mgr[50888]:   File "/usr/share/ceph/mgr/volumes/fs/volume.py", line 356, in conn_wrapper
Jan 20 14:44:50 bionicbeaver ceph-mgr[50888]:     fs_h = self.connection_pool.get_fs_handle(fs_name)
Jan 20 14:44:50 bionicbeaver ceph-mgr[50888]:   File "/usr/share/ceph/mgr/volumes/fs/volume.py", line 145, in get_fs_handle
Jan 20 14:44:50 bionicbeaver ceph-mgr[50888]:     raise VolumeException(-e.args[0], e.args[1])
Jan 20 14:44:50 bionicbeaver ceph-mgr[50888]: TypeError: bad operand type for unary -: 'str'

Jan 20 17:20:23 bionicbeaver ceph-mgr[50888]: 2020-01-20 17:20:23.522 7fae12c97700 -1 client.0 error registering admin socket command: (17) File exists

Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]: 2020-01-20 17:25:23.562 7fae12c97700 -1 mgr handle_command module 'volumes' command handler threw exception: bad operand type for unary -: 'str'
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]: 2020-01-20 17:25:23.566 7fae12c97700 -1 mgr.server reply reply (22) Invalid argument Traceback (most recent call last):
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]:   File "/usr/share/ceph/mgr/mgr_module.py", line 923, in _handle_command
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]:     return self.handle_command(inbuf, cmd)
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]:   File "/usr/share/ceph/mgr/volumes/module.py", line 230, in handle_command
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]:     return handler(inbuf, cmd)
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]:   File "/usr/share/ceph/mgr/volumes/module.py", line 253, in _cmd_fs_subvolumegroup_create
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]:     gid=cmd.get('gid', None), mode=cmd.get('mode', '755'))
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]:   File "/usr/share/ceph/mgr/volumes/fs/volume.py", line 356, in conn_wrapper
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]:     fs_h = self.connection_pool.get_fs_handle(fs_name)
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]:   File "/usr/share/ceph/mgr/volumes/fs/volume.py", line 145, in get_fs_handle
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]:     raise VolumeException(-e.args[0], e.args[1])
Jan 20 17:25:23 bionicbeaver ceph-mgr[50888]: TypeError: bad operand type for unary -: 'str'

Checked the ceph-mon and the ceph-osd, nothing relevant there

Should I check logs for some other service?