Hi! This commit - https://github.com/ceph/ceph/commit/7797ed67d2f9140b7eb9f182b06d04233e1e309c has introduced regression to 'ceph osd force-create-pg'. It's impossible to use this command now. I've build 13.2.1 monitor without those changes and it works like a charm. $ ceph --version ceph version 13.2.1 (5533ecdc0fda920179d7ad84e0aa65a127b20d77) mimic (stable) $ sudo ceph osd force-create-pg 6.2b 6.2b not valid: 6.2b not in --yes-i-really-mean-it Invalid command: unused arguments: [u'6.2b'] osd force-create-pg {--yes-i-really-mean-it} : force creation of pg <pgid> Error EINVAL: invalid command $ sudo ceph osd force-create-pg --yes-i-really-mean-it 6.2b Invalid command: unused arguments: [u'6.2b'] osd force-create-pg {--yes-i-really-mean-it} : force creation of pg <pgid> Error EINVAL: invalid command $ sudo ceph osd force-create-pg 6.2b --yes-i-really-mean-it 6.2b not valid: 6.2b not in --yes-i-really-mean-it Invalid command: unused arguments: [u'6.2b', u'--yes-i-really-mean-it'] osd force-create-pg {--yes-i-really-mean-it} : force creation of pg <pgid> Error EINVAL: invalid command Best Regards, Kuba Stańczak