Ceph

These are the differences from firefly to giant of ceph -h:

49,51c49,51
<                                           file, or random key if no input given,
<                                           and/or any caps specified in the
<                                           command
---
>                                           file, or random key if no input is
>                                           given, and/or any caps specified in
>                                           the command
80a81,84
> fs ls                                    list filesystems
> fs new <fs_name> <metadata> <data>       make new filesystem using named pools
>                                           <metadata> and <data>
> fs rm <fs_name> {--yes-i-really-mean-it} disable the named filesystem
98c102
< mds newfs <int[0-]> <int[0-]> {--yes-i-  make new filesystom using pools
---
> mds newfs <int[0-]> <int[0-]> {--yes-i-  make new filesystem using pools
123a128,129
> osd blocked-by                           print histogram of which OSDs are
>                                           blocking their peers
141a148,149
> osd crush reweight-subtree <name>        change all leaf items beneath <name>
>  <float[0.0-]>                            to <weight> in crush map
195a204
>  {<int>}
205c214,215
<  min_evict_age|erasure_code_profile
---
>  min_evict_age|erasure_code_profile|min_
>  read_recency_for_promote
218c228,229
<  age|auid <val> {--yes-i-really-mean-it}
---
>  age|auid|min_read_recency_for_promote
>  <val> {--yes-i-really-mean-it}
228a240,242
> osd reweight-by-pg <int[100-]>           reweight OSDs by PG distribution
>  {<poolname> [<poolname>...]}             [overload-percentage-for-
>                                           consideration, default 120]
248c262
<  writeback|forward|readonly               tier <pool>
---
>  writeback|forward|readonly|readforward   tier <pool>