Description of problem:

 'service ceph start' on mon daemon ends with a message: /etc/init.d/ceph: line 496: ceph-disk: command not found

 mon daemon starts.

Version-Release number of selected component (if applicable): 0.94.3


How reproducible: always


Steps to Reproduce:
1. issue 'service ceph start' on a mon node

Actual results:
mon daemon start with a message : /etc/init.d/ceph: line 496: ceph-disk: command not found

Expected results:
the above mentioned message should not be displayed

Additional info:
service ceph restart does not show this message on mon node:

[cephuser@magna037 ~]$ sudo service ceph restart
=== mon.magna037 === 
=== mon.magna037 === 
Stopping Ceph mon.magna037 on magna037...kill 24685...done
=== mon.magna037 === 
Starting Ceph mon.magna037 on magna037...
Running as unit run-7903.service.
Starting ceph-create-keys on magna037...