RPC 40: MDS GETSTATUS - get the status from a target
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[[mds-getstatus-rpc]]

The MDS_GETSTATUS command targets a specific MDT. If there are several,
the client will need to send a separate message for each.

.MDS_GETSTATUS (40)
[options="header"]
|====
| request       | reply
| mdt_body_only | mdt_body_capa
|====

The 'mdt_body_only' request message is one that provides information
about a specific MDT, identifying which (among several possible)
target is being asked about.

In the reply there is additional information about the MDT's
capabilities.