From: Zac Dover Date: Tue, 8 Nov 2022 02:33:18 +0000 (+1000) Subject: doc/glossary: link to OSD material X-Git-Tag: v17.2.6~390^2~1 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f8be8d10165b3df5f5161d2973a4a93083cdf4f9;p=ceph.git doc/glossary: link to OSD material Link to the OSD material in RADOS Configuration "Storage Devices". Signed-off-by: Zac Dover (cherry picked from commit e7d0d59a8b420fdbb882ab8c1e6d62aebebd8827) --- diff --git a/doc/glossary.rst b/doc/glossary.rst index 32a4f7c317d8..40aa3df55647 100644 --- a/doc/glossary.rst +++ b/doc/glossary.rst @@ -84,11 +84,17 @@ Gateway. Ceph Object Store - Ceph OSD - The Ceph OSD software, which interacts with a logical - disk (:term:`OSD`). Sometimes, Ceph users use the - term "OSD" to refer to "Ceph OSD Daemon", though the - proper term is "Ceph OSD". + :ref:`Ceph OSD` + Ceph **O**\bject **S**\torage **D**\aemon. The Ceph OSD + software, which interacts with logical disks (:term:`OSD`). + Around 2013, there was an attempt by "research and industry" + (Sage's own words) to insist on using the term "OSD" to mean + only "Object Storage Device", but the Ceph community has always + persisted in using the term to mean "Object Storage Daemon" and + no less an authority than Sage Weil himself confirms in + November of 2022 that "Daemon is more accurate for how Ceph is + built" (private correspondence between Zac Dover and Sage Weil, + 07 Nov 2022). Ceph OSD Daemon Ceph OSD Daemons diff --git a/doc/rados/configuration/storage-devices.rst b/doc/rados/configuration/storage-devices.rst index 2663b09a2d4e..e6da3635f73c 100644 --- a/doc/rados/configuration/storage-devices.rst +++ b/doc/rados/configuration/storage-devices.rst @@ -4,6 +4,8 @@ There are several Ceph daemons in a storage cluster: +.. _rados_configuration_storage-devices_ceph_osd: + * **Ceph OSDs** (Object Storage Daemons) store most of the data in Ceph. Usually each OSD is backed by a single storage device. This can be a traditional hard disk (HDD) or a solid state disk