Comment 1 for bug 1618022

Most likely the bug has nothing to do with ceph (for the record there've been no ceph related changes for a few months [1])

On the other hand the check itself [2] is not very reliable:
- the exit code is not checked at all, so it can be sudo which actually failed
- the script which is supposed to create the file can fail too

[1] https://review.fuel-infra.org/gitweb?p=packages%2Ftrusty%2Fceph.git;a=commitdiff;h=a6bef4391f17c638c4bcc8db58394331234e5186

[2] https://github.com/openstack/fuel-qa/blob/stable/mitaka/fuelweb_test/tests/test_ceph.py#L801-L805