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diff --git a/doc/rados/index.rst b/doc/rados/index.rst index f55657154e6..a1ef880b11d 100644 --- a/doc/rados/index.rst +++ b/doc/rados/index.rst @@ -1,25 +1,27 @@ -==================== - RADOS Object Store -==================== - -Ceph's :abbr:`RADOS (Reliable Autonomic Distributed Object Store)` Object Store -is the foundation for all Ceph clusters. When you use object store clients such -as the CephFS filesystem, the RESTful Gateway or Ceph block devices, Ceph reads -data from and writes data to the object store. Ceph's RADOS Object Stores -consist of two types of daemons: Object Storage Daemons (OSDs) store data as -objects on storage nodes; and Monitors maintain a master copy of the cluster -map. A Ceph cluster may contain thousands of storage nodes. A minimal system -will have at least two OSDs for data replication. +====================== + Ceph Storage Cluster +====================== + +The :term:`Ceph Storage Cluster` is the foundation for all Ceph deployments. +Based upon :abbr:`RADOS (Reliable Autonomic Distributed Object Store)`, Ceph +Storage Clusters consist of two types of daemons: a :term:`Ceph OSD Daemon` +(OSD) stores data as objects on a storage node; and a :term:`Ceph Monitor` +maintains a master copy of the cluster map. A Ceph Storage Cluster may contain +thousands of storage nodes. A minimal system will have at least one +Ceph Monitor and two Ceph OSD Daemons for data replication. + +The Ceph Filesystem, Ceph Object Storage and Ceph Block Devices read data from +and write data to the Ceph Storage Cluster. .. raw:: html <style type="text/css">div.body h3{margin:5px 0px 0px 0px;}</style> <table cellpadding="10"><colgroup><col width="33%"><col width="33%"><col width="33%"></colgroup><tbody valign="top"><tr><td><h3>Config and Deploy</h3> -Once you have installed Ceph packages, you must configure. There are a a few -required settings, but most configuration settings have default values. -Following the initial configuration, you must deploy Ceph. Deployment consists -of creating and initializing data directories, keys, etc. +Ceph Storage Clusters have a few required settings, but most configuration +settings have default values. A typical deployment uses a deployment tool +to define a cluster and bootstrap a monitor. See `Deployment`_ for details +on ``ceph-deploy.`` .. toctree:: :maxdepth: 2 @@ -31,7 +33,8 @@ of creating and initializing data directories, keys, etc. </td><td><h3>Operations</h3> -Once you have a deployed Ceph cluster, you may begin operating your cluster. +Once you have a deployed a Ceph Storage Cluster, you may begin operating +your cluster. .. toctree:: :maxdepth: 2 @@ -54,9 +57,9 @@ Once you have a deployed Ceph cluster, you may begin operating your cluster. </td><td><h3>APIs</h3> -Most Ceph deployments use Ceph `block devices`_, the `gateway`_ and/or the -`CephFS filesystem`_. You may also develop applications that talk directly to -the Ceph object store. +Most Ceph deployments use `Ceph Block Devices`_, `Ceph Object Storage`_ and/or the +`Ceph Filesystem`_. You may also develop applications that talk directly to +the Ceph Storage Cluster. .. toctree:: :maxdepth: 2 @@ -67,6 +70,7 @@ the Ceph object store. </td></tr></tbody></table> -.. _block devices: ../rbd/rbd -.. _CephFS filesystem: ../cephfs/ -.. _gateway: ../radosgw/ +.. _Ceph Block Devices: ../rbd/rbd +.. _Ceph Filesystem: ../cephfs/ +.. _Ceph Object Storage: ../radosgw/ +.. _Deployment: ../rados/deployment/
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