I'am trying to run ceph command but I get the error $ ceph Traceback (most recent call last): File "/usr/local/bin/ceph", line 100, in <module> from ceph_argparse import \ ImportError: No module named ceph_argparse I found this link http://tracker.ceph.com/issues/11388 But /dist-packages/ceph_argparse.py doesn't exit in my /usr/lib/python2.7 I working on CentOS7 and I install ceph by ./autogen.sh ./configure make make install and follow this link http://ceph.com/docs/master/install/manual-deployment/ Continue reading...