doc/glossary: add "flapping OSD"

Add an entry for "Flapping OSD" to the glossary.

Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit 1ca89e6ca3d9e0042702b7ac3af9a3e596330c1d)

diff --git a/doc/glossary.rst b/doc/glossary.rst
index a80c9c7b309a4486c272525ed8789a15559640d6..84c0c51817e768f0288a9aefe479ccd26b819ffb 100644 (file)
--- a/doc/glossary.rst
+++ b/doc/glossary.rst
@@ -265,6 +265,10 @@
                 A back end for OSD daemons, where a Journal is needed and files
                 are written to the filesystem.
 
+        Flapping OSD
+                An OSD that is repeatedly marked ``up`` and then ``down`` in
+                rapid succession. See :ref:`rados_tshooting_flapping_osd`.
+
         FQDN
                 **F**\ully **Q**\ualified **D**\omain **N**\ame. A domain name
                 that is applied to a node in a network and that specifies the
@@ -364,6 +368,9 @@
                 mid-2010s to insist that "OSD" should refer to "Object Storage
                 Device", so it is important to know which meaning is intended. 
 
+        OSD, flapping
+                See :term:`Flapping OSD`.
+
        OSD FSID 
                 The OSD fsid is a unique identifier that is used to identify an
                 OSD. It is found in the OSD path in a file called ``osd_fsid``.

diff --git a/doc/rados/troubleshooting/troubleshooting-osd.rst b/doc/rados/troubleshooting/troubleshooting-osd.rst
index 012e7872dd3cc8f7d5fa92108bac858750a118c0..c12b88c36ad7462371f8b08f1b99de6a1e2f7b30 100644 (file)
--- a/doc/rados/troubleshooting/troubleshooting-osd.rst
+++ b/doc/rados/troubleshooting/troubleshooting-osd.rst
@@ -680,6 +680,7 @@ Although some of these events may appear redundant, they cross important
 boundaries in the internal code (such as passing data across locks into new
 threads).
 
+.. _rados_tshooting_flapping_osd:
 
 Flapping OSDs
 =============