doc/glossary: add "RADOS Cluster"

Define "RADOS Cluster" in the glossary.

Signed-off-by: Zac Dover <zac.dover@gmail.com>

diff --git a/doc/glossary.rst b/doc/glossary.rst
index 37767bf95752af990fe5f302d111430f4ff4284a..874fb3faa63e4f8f33246ac0dbab61e3c6bb9567 100644 (file)
--- a/doc/glossary.rst
+++ b/doc/glossary.rst
@@ -279,6 +279,10 @@
                 Clusters <https://ceph.io/assets/pdfs/weil-rados-pdsw07.pdf>`_.
 
        RADOS Cluster
+                A proper subset of the Ceph Cluster consisting of
+                :term:`OSD`\s, :term:`Ceph Monitor`\s, and :term:`Ceph
+                Manager`\s.
+                
        RADOS Gateway
                 See :term:`RGW`.