Unmount
~~~~~~~

.Disconnect RPCs
[[umount-rpcs]
image::umount_rpcs.png["Disconnect RPCs", height=150]

//////////////////////////////////////////////////////////////////////
The umount_rpcs.png diagram resembles this text art:

Time
Step Client         MGS             MDT            OST
     -------        -------         --------       ------
1    OST_DISCONNECT-------------------------------->
2                 <--------------------------------OST_DISCONNECT
3    MDS_DISCONNECT----------------->
4                 <-----------------MDS_DISCONNECT
5    MGS_DISCONNECT->
6                 <-MGS_DISCONNECT
//////////////////////////////////////////////////////////////////////