Description of problem:
As of now "ceph osd reweight-by-utilization" accepts positional parameter, in which argument order should be [oload,max_change, max_osd, --no-increasing].

If user has to specify max_osd then he has to specify max_change otherwise based on position command will assume it as max_change. ex: "ceph osd reweight-by-utilization 200 10"  will consider 10 as max_change while user might think it as max_osd. so if its like "ceph osd reweight-by-utilization --olad <val> --max_change <val> --max_osd <val> " would be better.

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