doc/glossary: add "object storage"

Add a (very basic) definition of object storage.

Signed-off-by: Zac Dover <zac.dover@proton.me>

diff --git a/doc/glossary.rst b/doc/glossary.rst
index 893927de67c5f8942f169305d0bdb35929263d53..d3a0dd8f4cb8d228fe1a4ba8b84609976edbf388 100644 (file)
--- a/doc/glossary.rst
+++ b/doc/glossary.rst
@@ -324,6 +324,12 @@
        Node
                 See :term:`Ceph Node`.
 
+       Object Storage
+                Object storage is one of three kinds of storage relevant to
+                Ceph. The other two kinds of storage relevant to Ceph are file
+                storage and block storage. Object storage is the category of
+                storage most fundamental to Ceph.
+
        Object Storage Device
                 See :term:`OSD`.