The failure to create a cluster CEPH is due to Error:ceph.conf

[abutwang]

i use four centos7.4 build vsm2.1

1 The installation has already finished without error
2 I can`t acceess web to configure ceph
3 Then,adding this line " WSGIApplicationGroup %{GLOBAL} " in the file: /etc/httpd/conf.d/vsm-dashboard.conf
It start working,
4 but When I have created cluster but it donn't complete,
also i see availiable
also i see Cleaning
at last i see ERROR:ceph.conf

Please help me