From: Zac Dover Date: Wed, 14 Aug 2024 18:08:14 +0000 (+1000) Subject: doc/glossary: add "flapping OSD" X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f81334c1f486323a1277bf610c00bd1f49fb0283;p=ceph.git doc/glossary: add "flapping OSD" Add an entry for "Flapping OSD" to the glossary. Signed-off-by: Zac Dover (cherry picked from commit 1ca89e6ca3d9e0042702b7ac3af9a3e596330c1d) --- diff --git a/doc/glossary.rst b/doc/glossary.rst index a80c9c7b309..84c0c51817e 100644 --- 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 012e7872dd3..c12b88c36ad 100644 --- 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 =============