From: Zac Dover <zac.dover@proton.me>
Date: Fri, 17 Feb 2023 22:03:06 +0000 (+1000)
Subject: doc/glossary: add "Period" to glossary
X-Git-Tag: v16.2.13~170^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F50156%2Fhead;p=ceph.git

doc/glossary: add "Period" to glossary

Add definition for "period" to glossary.

Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit bd9bc3adb3960385615fe79ea83809396a19dae0)
---

diff --git a/doc/glossary.rst b/doc/glossary.rst
index 2149a76e6dab9..091d332629f03 100644
--- a/doc/glossary.rst
+++ b/doc/glossary.rst
@@ -271,6 +271,12 @@
                 This is the unique identifier of an OSD. This term is used
                 interchangeably with ``fsid``
 
+        Period
+                In the context of :term:`RGW`, a period is the configuration
+                state of the :term:`Realm`. The period stores the configuration
+                state of a multi-site configuration. When the period is updated,
+                the "epoch" is said thereby to have been changed.
+
 	:ref:`Pool<rados_pools>`
 		A pool is a logical partition used to store objects.