From: Zac Dover Date: Mon, 7 Nov 2022 23:22:07 +0000 (+1000) Subject: doc/glossary: disambiguate "OSD" X-Git-Tag: v18.1.0~908^2 X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=02360acb25dfb633cee5c5dd90fd445edf5bcb31;p=ceph-ci.git doc/glossary: disambiguate "OSD" Distinguish "object storage device" from "object storage daemon". Signed-off-by: Zac Dover --- diff --git a/doc/glossary.rst b/doc/glossary.rst index 32a4f7c317d..b3c002bc071 100644 --- a/doc/glossary.rst +++ b/doc/glossary.rst @@ -177,13 +177,16 @@ See :term:`OSD`. OSD - **O**\bject **S**\torage **D**\evice. A physical or logical - storage unit (for example: LUN). Ceph users sometimes use the - term "OSD" to refer to :term:`Ceph OSD Daemon`, but this is - incorrect. The proper expansion of "Ceph OSD" is "object - storage device". In contrast, :term:`Ceph OSD Daemon` refers to - :ref:`\``ceph-osd```, not to "**O**\bject - **S**\torage **D**\evice". + Probably :term:`Ceph Object Storage Daemon`, but not + necessarily. Sometimes (especially in older correspondence, and + especially in documentation that is not specifically written + for Ceph), "OSD" means "**O**\bject **S**\torage **D**\evice", + which refers to a physical or logical storage unit (for + example: LUN). The Ceph community has always used the term + "OSD" to refer to :term:`Ceph OSD Daemon` despite an industry + push in the mid-2010s to insist that "OSD" should refer to + "Object Storage Device", so it is important to know which + meaning is intended. OSD fsid This is a unique identifier used to further improve the