LUDOC-296 protocol: Reorganize the document ot be top-down

[doc/protocol.git] / umount.txt

diff --git a/umount.txt b/umount.txt
new file mode 100644 (file)
index 0000000..5a79063
--- /dev/null
+++ b/umount.txt
@@ -0,0 +1,21 @@
+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
+//////////////////////////////////////////////////////////////////////
+