From: Zac Dover Date: Mon, 24 Apr 2023 11:02:16 +0000 (+0200) Subject: doc/start: rewrite intro paragraph X-Git-Tag: v17.2.7~442^2 X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=e3499e5cc6a199e5f63e801ac7f9a42f23e6594a;p=ceph.git doc/start: rewrite intro paragraph Rewrite the first paragraph in doc/start/intro.rst. Signed-off-by: Zac Dover Co-authored-by: Anthony D'Atri Signed-off-by: Zac Dover (cherry picked from commit bea01d5f1469030253a3403dbb9e2c9fa97806ac) --- diff --git a/doc/start/intro.rst b/doc/start/intro.rst index e0e944b87dbd5..3a50a8733676e 100644 --- a/doc/start/intro.rst +++ b/doc/start/intro.rst @@ -2,14 +2,24 @@ Intro to Ceph =============== -Whether you want to provide :term:`Ceph Object Storage` and/or -:term:`Ceph Block Device` services to :term:`Cloud Platforms`, deploy -a :term:`Ceph File System` or use Ceph for another purpose, all -:term:`Ceph Storage Cluster` deployments begin with setting up each -:term:`Ceph Node`, your network, and the Ceph Storage Cluster. A Ceph -Storage Cluster requires at least one Ceph Monitor, Ceph Manager, and -Ceph OSD (Object Storage Daemon). The Ceph Metadata Server is also -required when running Ceph File System clients. +Ceph can be used to provide :term:`Ceph Object Storage` to :term:`Cloud +Platforms` and Ceph can be used to provide :term:`Ceph Block Device` services +to :term:`Cloud Platforms`. Ceph can be used to deploy a :term:`Ceph File +System`. All :term:`Ceph Storage Cluster` deployments begin with setting up +each :term:`Ceph Node` and then setting up the network. + +A Ceph Storage Cluster requires the following: at least one Ceph Monitor and at +least one Ceph Manager, and at least as many Ceph OSDs as there are copies of +an object stored on the Ceph cluster (for example, if three copies of a given +object are stored on the Ceph cluster, then at least three OSDs must exist in +that Ceph cluster). + +The Ceph Metadata Server is necessary to run Ceph File System clients. + +.. note:: + + It is a best practice to have a Ceph Manager for each Monitor, but it is not + necessary. .. ditaa::